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Номер произв PT8A2766J
Описание DC Motor Controller
Производители Pericom Semiconductor
логотип Pericom Semiconductor логотип 



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PT8A2766J Даташит, Описание, Даташиты
PT8A2766x
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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 150mHigh-side MOSFET
z Filter for key input
z 1A 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 PT8A2766x 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
PT8A2766A/B/C/D/E/F/G/H
PT8A2766I/J
Pin Description
PT8A2766A/B/C/D/E/F/G/H
Pin Name
OUT
Pin No.
1
ENB
2
LED1
3
LED2
4
VCC
5
OCP 6
Type
O
I
O
O
Power
I
ON/OFF
7
I
GND
PT8A2766I/J
Pin Name
ENB
8
Pin No.
1
Power
Type
I
ON/OFF
2
I
OUT
GND
VCC
3O
4 Power
5 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.
12-07-0006
PT0376-2 07/06/12
1









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PT8A2766J Даташит, Описание, Даташиты
PT8A2766x
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
-
0
- -V
- 0.3 VCC V
25 85 °C
12-07-0006
PT0376-2 07/06/12
2









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PT8A2766J Даташит, Описание, Даташиты
PT8A2766x
DC Motor Controller
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Electrical Characteristics
(TA = 0 ~ 85ºC, unless otherwise noted)
Symbol
ICCQ
IOUT
Parameter
Standby current
OUT output current
VCC
2.4V
2.4V
2.4V
Test Conditions
Conditions
Floating
Taul=50mS
VOUT=0.15V
Min Typ Max Unit
--
-5.0 -
-1.0 -
20. µA
-A
-A
VT1
Battery lacking
-
No pull low resistor in Pin: ON/OFF
2.1 2.2 2.3
V
VT2
Battery over discharge
- No pull low resistor in Pin: ON/OFF. Auto off 1.8 1.9 2.0
V
VT3
Over Current Protect
2.4V
Pin: OCP
2.22 2.25 2.28 V
VT4 ON/OFF Trigger Voltage
Pin: ON/OFF
0.3 0.8 1.1 V
T1
Short click button
-
Pin: ON/OFF
50 70 90 mS
T2
Long click button
-
Pin: ON/OFF
2.4 3.0 3.6
S
T3
Over current protection
-
T4 Over temperature protection -
VOCP<VT3
-
2.0 3.0 4.0
130 -
-
S
°C
Rth(j-a) Junction to ambient (DC)
SOIC-8 package
SOT23-5 package
- 42 -
- 86 -
°C/
W
Functional Description
z ON/OFF Button
The button will be toggled ON or OFF state by pushing it less than 3 seconds, and toggling lock or unlock state by pushing
it over 3 seconds. Description is as below:
z LED Indicator
LED1, LED2 work status is as below:
Work Status
Mode1
LED1
LED2
Off Off Off
On
Normal
Under voltage
On
Off
Off
On
Lock
Normal
Under voltage
Flash2*
Off
Off
Flash2*
Note: 1. Flash1: LED flashes by 1.5Hz;
2. Flash2: LED flashes by 1.5Hz, but only 5 times.
12-07-0006
3
Mode2
LED1
Off
LED2
Off
On Off
Flash1*
Off
Off Flash2*
Off Flash2*
PT0376-2 07/06/12










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