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Pericom Semiconductor

PT8A2767B Datasheet Preview

PT8A2767B Datasheet

DC Motor Controller

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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 100mHigh-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
OUT
Pin No.
1
ENB
2
LED1
3
LED2
4
VCC
5
OCP 6
ON/OFF
7
GND
PT8A2767I/J
Pin Name
ENB
8
Pin No.
1
ON/OFF
2
OUT
GND
VCC
3
4
5
12-07-0006
Type
O
I
O
O
Power
I
I
Power
Type
I
I
O
Power
Power
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




Pericom Semiconductor

PT8A2767B Datasheet Preview

PT8A2767B Datasheet

DC Motor Controller

No Preview Available !

PT8A2767x
DC Motor Controller
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Block Diagram
Maximum Ratings
StorageTemperature......................................................................................-40oCto +125oC
SupplyVoltage toGroundPotential (Input&VCCOnly)........................-0.5Vto+5.5V
SupplyVoltage toGroundPotential (OutputsOnly)................................-0.5Vto+5.5V
DCInputVoltage ...............................................................................................-0.5Vto+5.5V
DC Output Current........................................................................... 5A
Power Dissipation ......................................................................................................................1W
Note:
Stresses greater than those listed under MAXIMUM
RATINGS may cause permanent damage to the
device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sec-
tions of this specification is not implied. Exposure
to absolute maximum rating conditions for extended
periods may affect reliability.
Recommended operation conditions
Symbol
VCC
VIH
VIL
TA
Parameter
Operating Voltage
“H” Input Voltage
“L” Input Voltage
Operating temperature
Min Typ Max Unit
1.6 2.4 5.5
V
0.7VCC
-
-
V
- - 0.3 VCC V
0 25 85 °C
12-07-0006
PT0394-2 07/06/12
2


Part Number PT8A2767B
Description DC Motor Controller
Maker Pericom Semiconductor
Total Page 8 Pages
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