CN111387569A - A programmable electronic cigarette controller chip architecture - Google Patents

Abstract

The invention discloses a programmable electronic cigarette controller chip architecture, belonging to the technical field of electronic cigarette control, comprising a logic control unit, the logic control unit is electrically connected with a microphone head detection unit, an internal oscillation and a voltage reference unit, an overtemperature unit ‑Overvoltage‑Overcurrent Protection Unit, Charge Management Unit, Power Configuration Register PMR, LED Lamp Configuration Register LMR, Motor Configuration Register MMR, MOS Driver, LED Driver, Motor Driver, Power Configuration Register PMR, LED Lamp Configuration Register LMR, Motor The configuration registers are all electrically connected to the programming interface unit. Through the configuration of the LED lamp configuration register LMR, the invention realizes the control of the flickering effect of the LED lamp, the configuration of the motor configuration register MMR realizes the control of the vibration effect of the motor of the electronic cigarette, and the configuration of the power configuration register PMR realizes the output of the electronic cigarette. The control of the power size does not increase the hardware cost and improves the practicability of the electronic cigarette control chip.

Description

A programmable electronic cigarette controller chip architecture

technical field

The invention relates to a programmable electronic cigarette control chip architecture, which belongs to the technical field of electronic cigarette control chips.

Background technique

Electronic cigarettes are powered by batteries, and then use capacitive microphones, airflow sensors, or mechanical switches, and supporting internal circuits to detect smoking status, respond to the smoking status, and control the power module to heat the heating wire to achieve the smoking effect.

At present, there are basically two types of e-cigarette structures on the market:

First, it consists of a separate microphone detection chip for detecting smoking action, LED light for indicating status, motor and drive for reminder function, heating wire and power drive for heating e-liquid, battery and charging chip for power supply, and main control MCU for logic control. Chip architecture composition;

The second is the integrated electronic cigarette controller chip, a single electronic cigarette controller chip realizes the microphone head detection, directly drives the LED, the output power drives the heating wire, and the battery charging management;

For the second structure, the integrated electronic cigarette controller chip structure, the indication effect of the LED light and the part of the output power to drive the heating wire are all fixed and non-adjustable, and there is no motor drive control;

For products using this integrated electronic cigarette controller chip architecture, if the manufacturer needs multiple parameters to produce electronic cigarette products, there is no way to achieve it.

SUMMARY OF THE INVENTION

The main purpose of the present invention is to provide a programmable electronic cigarette controller chip, an integrated electronic cigarette controller chip structure with adjustable LED light effect, motor vibration effect and output power, and realize it through a program, without changing Improve the scope of use of the product under any hardware conditions, and improve the practicability of the product.

Object of the present invention can be achieved by adopting the following technical solutions:

A programmable electronic cigarette controller chip architecture includes a logic control unit, and the logic control unit is electrically connected with a microphone head detection unit, an internal oscillation and voltage reference unit, an over-temperature-over-voltage-over-current protection unit, A charging management unit, a power configuration register PMR, an LED lamp configuration register LMR, a motor configuration register MMR, a MOS driver, an LED driver, and a motor driver, the power configuration register PMR, the LED lamp configuration register LMR, and the motor configuration register are all electrically connected There is a programming interface unit, SEN is connected to the microphone detection unit, GND and VDD are electrically connected to the charging management unit, AT is connected to the MOS driver, and LED is connected to the LED driver. The motor driver is connected to the motor.

Preferably, the programming interface unit is an IIC programming interface unit that is electrically connected to the SDA interface and the SCL interface through a serial port protocol.

Preferably, the programming interface unit is a UART programming interface unit that is electrically connected to the TX and RX interfaces through a serial port protocol.

Preferably, the programming interface unit is an SPI programming interface unit that is electrically connected to the MISO, MOSI and SCLK interfaces through a serial port protocol.

Preferably, the power configuration register PMR is one or a group of eight-bit configuration registers.

Preferably, the motor configuration register MMR is one or a group of eight-bit configuration registers, and among the eight bits of the configuration register, bits seven and six are reserved bits, and bits five and four are vibration intensity configuration bits, so as to realize four-speed vibration. Intensity control, bits three to zero in the eight bits of the above configuration register are status configuration bits.

Preferably, the LED lamp configuration register LMR is one or a group of eight-bit configuration registers, and bits seven and six in the eight bits of the configuration register are brightness configuration bits, bits five to three are mode configuration bits, and the above-mentioned configuration register Bits two to zero in the eight bits are the times configuration bits.

Preferably, the power configuration register PMR, the LED lamp configuration register LMR and the motor configuration register MMR are not limited to eight-bit registers.

Beneficial technical effects of the present invention:

1. Through the configuration of the LED light configuration register LMR, without changing the hardware and without increasing the hardware cost, it is possible to control the flickering effect of the LED light at a small cost;

2. Through the configuration of the motor configuration register MMR, without changing the hardware and without increasing the hardware cost, it is possible to control the vibration effect of the electronic cigarette motor at a small cost;

3. Through the configuration of the power configuration register PMR, the output power of the electronic cigarette can be controlled at a relatively low cost without changing the hardware and without increasing the hardware cost.

Description of drawings

1 is a schematic diagram of an IIC programming interface unit according to a preferred embodiment of the programmable electronic cigarette controller chip of the present invention;

2 is a schematic diagram of a UART programming interface unit according to a preferred embodiment of the programmable electronic cigarette controller chip of the present invention;

3 is a schematic diagram of an SPI programming interface unit of a preferred embodiment of the programmable electronic cigarette controller chip according to the present invention.

In the figure: 1- logic control unit, 2- programming interface unit, 3- microphone detection unit, 4- internal oscillation and voltage reference unit, 5- over temperature- over voltage- over current protection unit, 6- charging management unit, 7-power configuration register PMR, 8-LED lamp configuration register LMR, 9-motor configuration register MMR, 11-MOS driver, 12-LED driver, 13-motor driver.

Detailed ways

In order to make the technical solution of the present invention clearer and clearer to those skilled in the art, the present invention will be described in further detail below with reference to the embodiments and accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in FIGS. 1-3 , the programmable electronic cigarette controller chip provided in this embodiment includes a logic control unit 1, and the logic control unit 1 is electrically connected to a microphone head detection unit 3, an internal oscillation and a voltage reference unit 4. Over-temperature-over-voltage-over-current protection unit 5, charging management unit 6, power configuration register PMR7, LED lamp configuration register LMR8, motor configuration register MMR9, MOS driver 11, LED driver 12, motor driver 13, power configuration register PMR7, LED lamp configuration register LMR8, and motor configuration register MMR9 are all electrically connected to programming interface unit 2. The product has a simple structure, is easy to mass-produce, and reduces production costs. Microphone detection unit 3 is connected to SEN and charging management unit. 6 is electrically connected to GND and VDD, the MOS driver 11 is connected to AT, the LED driver 12 is connected to LED, and the motor driver 13 is connected to MOTOR, which can expand the use range of the product without changing any hardware. usability of the product.

In this embodiment, as shown in FIG. 1 , the programming interface unit 2 is an IIC programming interface unit that is electrically connected to the SDA interface and the SCL interface through the serial port protocol, and is used to perform read and write operations on the configuration register to realize the design of the control effect. It has the advantages of simple structure and convenient operation.

In this embodiment, as shown in FIG. 2 , the programming interface unit 2 is a UART programming interface unit that is electrically connected to the TX interface and the RX interface through a serial port protocol, and is used to perform read and write operations on the configuration register, so as to realize the design of the control effect. It has the advantages of simple structure and convenient operation.

In this embodiment, as shown in FIG. 3 , the programming interface unit 2 is an SPI programming interface unit that is electrically connected to the MISO interface, the MOSI interface and the SCLK interface through the serial port protocol, and is used to perform read and write operations on the configuration register to realize control The setting of the effect can improve the practicability of the device.

In this embodiment, as shown in FIG. 1 , the power configuration register PMR7 is one or a group of eight-bit configuration registers, which realizes N-level control of power.

In this embodiment, as shown in FIG. 1 , the motor configuration register MMR9 is one or a group of eight-bit configuration registers, and among the eight bits of the configuration register, bits seven and six are reserved, and bits five and four are reserved. The vibration intensity configuration bit realizes the fourth-grade vibration intensity control. Bits three to zero in the eight bits of the above configuration register are the status configuration bits, which realizes the configuration of the vibration time state.

In this embodiment, as shown in FIG. 1 , the LED lamp configuration register LMR8 is one or a group of eight-bit configuration registers, and bits seven and six in the eight bits of the configuration register are brightness configuration bits, and bits five to three are Mode configuration bit, bits 2 to 0 in the eight bits of the above configuration register are the times configuration bits, and the configuration of these eight bits realizes the configuration of the LED light effect.

In this embodiment, as shown in FIG. 1 , the power configuration register PMR7 , the LED lamp configuration register LMR8 and the motor configuration register MMR9 are not limited to eight-bit registers, nor are they limited to one register, but may also be multiple registers.

As shown in Figures 1-3, the principle of the programmable electronic cigarette controller chip provided by the present invention is as follows: the programming interface unit 2 of the programmable integrated electronic cigarette control chip architecture, its communication protocol is not limited to the commonly used IIC serial port protocol, SPI serial port protocol and asynchronous UART serial port protocol, the IIC programming interface unit is used to read and write the configuration register through the serial port protocol by connecting the SDA and SCL interfaces, and the UART programming interface unit is through the serial port protocol, by connecting TX, The RX interface is used to read and write the configuration register. The UART programming interface unit is used to read and write the configuration register through the serial port protocol. It is used to read and write the configuration register by connecting the MISO, MOSI and SCLK interfaces. According to the needs of different products, without changing the hardware Under the circumstance of not increasing the hardware cost, only through the configuration of the software, the control of the LED light flickering effect, the motor vibration effect, and the output power of the electronic cigarette can be realized at a small cost.

The above are only further embodiments of the present invention, but the protection scope of the present invention is not limited thereto. Equivalent replacements or changes to the concept all belong to the protection scope of the present invention.

Claims (8)

1. A programmable electronic cigarette controller chip architecture, characterized in that it comprises a logic control unit (1), and the logic control unit (1) is electrically connected with a microphone head detection unit (3), an internal oscillation and a Voltage reference unit (4), over-temperature-over-voltage-over-current protection unit (5), charging management unit (6), power configuration register PMR (7), LED lamp configuration register LMR (8), motor configuration register MMR ( 9), MOS driver (11), LED driver (12), motor driver (13), the power configuration register PMR (7), the LED lamp configuration register LMR (8), and the motor configuration register MMR (9) are all powered by A programming interface unit (2) is electrically connected, SEN is connected to the microphone detection unit (3), GND and VDD are electrically connected to the charging management unit (6), and the MOS driver (11) is electrically connected to An AT is connected, an LED is connected to the LED driver (12), and a MOTOR is connected to the motor driver (13). 2. a kind of programmable electronic cigarette controller chip architecture as claimed in claim 1, is characterized in that, described programming interface unit (2) is that IIC programming interface unit is electrically connected with SDA interface and SCL interface through serial port protocol . 3 . The programmable electronic cigarette controller chip architecture according to claim 1 , wherein the programming interface unit ( 2 ) is a UART programming interface unit that is electrically connected to the TX and RX interfaces through a serial port protocol. 4 . 4. a kind of programmable electronic cigarette controller chip architecture as claimed in claim 1, is characterized in that, described programming interface unit (2) is SPI programming interface unit through serial port protocol and MISO, MOSI and SCLK interface electrical property connect. 5 . The programmable electronic cigarette controller chip architecture according to claim 1 , wherein the power configuration register PMR ( 7 ) is one or a group of eight-bit configuration registers. 6 . 6. A programmable electronic cigarette controller chip architecture according to claim 1, wherein the motor configuration register MMR (9) is one or a group of eight-bit configuration registers, and the eight-bit configuration register Bits 7 and 6 are reserved bits, and bits 5 and 4 are vibration intensity configuration bits to realize fourth-grade vibration intensity control. Bits 3 and 0 in the eight bits of the configuration register are status configuration bits. 7. A programmable electronic cigarette controller chip architecture according to claim 1, wherein the LED lamp configuration register LMR(8) is one or a group of eight configuration registers, and the configuration register eight Bits 7 and 6 in the bits are the brightness configuration bits, bits 5 to 3 are the mode configuration bits, and bits 2 to 0 in the eight bits of the above configuration register are the times configuration bits. 8. A programmable electronic cigarette controller chip architecture according to claim 5, 6 or 7, wherein the power configuration register PMR (7), the LED lamp configuration register LMR (8) and the motor configuration The register MMR(9) is not limited to be an eight-bit register.

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