Part Number
|
HT4902T |
Manufacturer
|
HOTCHIP |
Description
|
Li-ion Battery Charger |
Published
|
Jul 29, 2014 |
Detailed Description
|
HT4902T
HT4902T
IC+MCU+ IC
LED
4 500mA MOSFET
0V / /
4KV ESD
MOSFET
500KHZ 5uA
LED
USB_IN 20uA
BTP3.2V L1
BT...
|
Datasheet
|
HT4902T
|
Overview
HT4902T
HT4902T
IC+MCU+ IC
LED
4 500mA MOSFET
0V / /
4KV ESD
MOSFET
500KHZ 5uA
LED
USB_IN 20uA
BTP3.
2V L1
BTP3V
1
HT4902T
:
1 LED 2 EXT_CH 3 L1 4 L2 5 L3 6 L4 7 KEY 8 CE 9 GND 10 STB 11 FB 12 GND 13 EXT 14 LX 15 BTP 16 VDD
1 2 3 4 //
BOOST BOOST
5V
2
HT4902T
USB_IN
VCC
1 2 3 4
DD+ GND
D1
C1 10uF
LED1 LED2 LED3 LED4
LED5
Q1 8550/SOT-89
Battery 2 B1 B+
R2 0.
22R
C9 0.
1uF
R11 100R
C4 100uF
6 VSS OD 1
5 VDD CSI 2
5 G2 G1 4
4 TD OC 3
6 S2 S1 3
U2 DW01+
7
R12 8 1K
S2 S1
D2 Q4 D1 HT8205A
2 1
1 D1 D2 8 2 S1 S2 7 3 S1 S2 6 4 G1 Q5 G2 5
HT8205A
R1
1 LED
VDD 16
2 EXT_CH CHARGE 15
3 L1
LX 14
4 L2 U1 EXT 13
5
HT4902T L3 TS
12
6 L4
FB 11
7 KEY
STB 10
...
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