PT8A2767A Datasheet, PDF (1/8 Pages) Pericom Semiconductor Corporation – DC Motor Controller

PT8A2767x
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DC Motor Controller
Features
Description
z Operation Range: 1.6~5.5V
z 20µA Maximum Standby Supply Current
z Thermal and Short-Circuit Protection
z Less than 100mΩ High-side MOSFET
z Filter for key input
z 1.5A current driver
z Protection for over temperature
z Protection for over current
z Battery under-voltage indicate
z Battery over discharge protect
z Lock function
z Low cost 8-pin SOIC and 5-pin SOT23 package
The PT8A2767x is a mixed signal CMOS LSI chip
designed as a simple power switch circuit for shaver,
toothbrush and other electrical devices. It can drive
motor directly and detect battery lacking. ON/OFF
button control work status, and LED1, LED2 indicates
work status. It has lock function.
Applications
z Shaver
z Toothbrush
Pin Configuration
PT8A2767A/B/C/D/E/F/G/H
PT8A2767I/J
Pin Description
PT8A2767A/B/C/D/E/F/G/H
Pin Name
Pin No.
OUT
1
ENB
2
LED1
3
LED2
4
VCC
5
OCP
6
Type
O
I
O
O
Power
I
ON/OFF
7
I
GND
PT8A2767I/J
Pin Name
ENB
8
Pin No.
1
Power
Type
I
ON/OFF
2
I
OUT
GND
VCC
3
O
4
Power
5
Power
12-07-0006
Descriptions
Output to drive motor
Enable input, active low.
LED1 indicator output.
LED2 indicator output.
Power supply.
Over current protection input
Key input, active low; this pin can also adjust the protection voltage of battery
discharge.
Ground.
Descriptions
Enable input, active low.
Key input, active low; this pin can also adjust the protection voltage of battery
discharge.
Output to drive motor
Ground.
Power supply.
PT0394-2 07/06/12
1