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PDF PT8A2713 Data sheet ( Hoja de datos )
| Número de pieza | PT8A2713 | |
| Descripción | Cost Down Shaver Controller | |
| Fabricantes | Pericom Technology | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PT8A2713 (archivo pdf) en la parte inferior de esta página. Total 13 Páginas | ||
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Data Sheet
PT8A2703/2713
Cost Down Shaver Controller
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Product Features
Product Description
• On-chip analog functions for rechargeable battery
charge/discharge management.
• Constant and pulse current charging operations
• Fast charge detection by: -∆V, 0∆V,
• Charge protection wi th s afety tim er 90 minutes,
maximum voltage, maximum temperature.
• On-chip voltage reference and regulator.
• On-chip high precision 5-bits ADC.
• Cord existence detection and indicator
• Low Battery detection and indicator
• Few external components needed
Block Diagram
PT8A2703 i s des igned a s a m ixed sig nal dev ice to
provide a s ingle ch ip so lution for rechargeable ba ttery
powered smart con trollers using only a few ex ternal
components such as transistors, passive components and
LED. T he ch ip hand les c harging with fa st con stant or
pulse current cha rging m odes and disc harging. It
contains eno ugh log ic c ircuits on ch ip to implement
custom applications such as clipper, hair remover, high-
end toy/aeromodelling and other portable devices.
Ordering Information
Part Number
PT8A2703DE D
PT8A2703W 16-
PT8A2703WE 16-
PT8A2713S 20-
Package
ie Form
Pin SOIC
Pin SOIC
Pin SOIC
MODE[1:0]
TESTSEL
Operation Mode
and Switch
Se l e cti on
Test Mode
Se l e cti on
ON/OFF
Input control
VS EL
VB
VB2
VT
5-bit ADC
MOTOR
CHARGE
BUZOUT
Charge Control logic LED0
LED1
POR
Voltage
Re gulator
OSC
O scil l ator
PT0162(03/05)
1
Ver:1
http://www.Datasheet4U.com
1 page  
Data Sheet
PT8A2703/2713
Cost Down Shaver Controller
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Zero de lta V detection
10 minute s
Vmax
Ne gative de lta V de tection
Vmax
3 minutes
t
12mV
t
CORD
CHARGE
Cord mode
Cordless mode CORD
10%duty cycle
CHARGE
Cord mode
LED1
negative pulse trains 0.5s 0.5s
LED1
0.5s 0.5s
Fig 4 Two approaches for fast charging termination
Cordless mode
Temperature to ter minate charging: Charging s tops im mediately if te mperature of B attery ex ceeds maximum pres et
temperature value. P ulse c harge con tinues when temperature drops belo w a lo wer pres et te mperature value. O nce ov er-
temperature condition, the two led indicators turn off right away.
Corded Mode and Motor on
When ON/OFF is triggered to turn on the Motor during Cord Mode, MOTOR output low to drive Motor.
When ON/OFF is triggered to turn off the Motor during Cord Mode, Shaver switches immediately to “Charging operation”.
When CORD removed during Corded Mode, Shaver switches to “Cordless Mode” operation.
The LED1 indicator is always on during Cord Mode. The LED0 indicator i s on if Battery voltage is lower than a pres et voltage
value at VB2 pin. In contrary, the LED0 indicator is off if Battery voltage is normal.
Cordless Mode and Motor on or off
When CORD is removed (Cordless Mode) an d Motor off, the LED1indicator is off i mmediately. The LED0 indicator is on for 7
seconds if Battery voltage is over low. In contrary, the LED0 indicator is off if Battery voltage is normal.
Once motor on during Cordless Mode, the LED1 indicator is off.
If motor off during Cordless Mode, the LED0 indicator is on for 7 seconds if Battery voltage is over low. In contrary, the
LED0 indicator is off if Battery voltage is normal.
Low Battery
If Battery voltage is b elow or equal a p reset voltage value at the VB2, the LED0 indicator is o n to show low battery, the Motor
will turn off. In contrary, the LED0 indicator is off if Battery voltage is normal.
PT0162(03/05)
5
Ver:1
5 Page 
Data Sheet
PT8A2703/2713
Cost Down Shaver Controller
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Mechanical Information
16-Pin SOIC
16
.149 3.78
.157 3.99
.0155
.026
0.393
0.660
REF
.386
.393
9.80
10.00
.053 1.35
.068 1.75
SEATING PLANE
.050 .013
BSC .020
1.27 0.330
0.508
.0040 0.10
.0098 0.25
.0099 0.25
.0196 0.50
45o
0-8o
0.41 .016
1.27 .050
.2284
.2440
5.80
6.20
.0075 0.19
.0098 0.25
X.XX
X.XX
DENOTES DIMENSIONS
IN MILLIMETERS
Notes:
1) Controlling dimensions in millimeters.
2) Ref: JDDEC MS-012 AC
PT0162(03/05)
11
Ver:1
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet PT8A2713.PDF ] | |
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