Product Description
This type of cell phone battery charger circuit is mainly formed by rectification / switching circuit, zener / overflow protective circuit and charging circuit, the input voltage is AC220V, 50/60Hz, output voltage is DC4.2V, output current can reach 500mA. Diodes and transistors and Zener IC of KEXIN can be applied at this circuit widely.
Cell Phone Battery Charger Circuit Diagram
KEXIN components that can be applied to
Power Rectification, Switching Circuit
|
PN |
Function Description |
Package |
| 1N4007 |
1A Rectification Diode, Vr:1000V |
DO-41/SMA |
| FR107 |
1A Reverse Recovery Diode, Vr:1000V |
DO-41/SMA |
| MJE13001 |
NPN Switching Transistor 400V/0.2A |
TO92 |
| MJE13003 |
NPN Switching Transistor 400V/1.5A |
TO126 |
Zener/ Overflow Protective Circuit
|
PN |
Function Description |
Package |
| 1N4148 |
High Speed Switching Diode |
SOD323/DO-34 |
| BZT55C5V6 |
5.6V Zener Diode |
LL34 |
| 2SC1815 |
NPN High Frequency Transistor |
SOT23/TO92 |
| 2SC945 |
NPN Small Power Amplifier Transistor |
SOT23/TO92 |
| MMBT2222 |
NPN Switching Transistor |
SOT23/TO92 |
| DTC144ECA |
Digital Transistor |
SOT323 |
| PC817 |
Optical Coupler |
DIP04/SOP4 |
| LM358 |
Dual Option Amplifier |
DIP08/SOP8 |
| TL431 |
Three-Terminal Voltage Regulator |
SOT23/TO92 |
| TL432 |
Three-Terminal Voltage Regulator |
SOT23 |
Charging Circuit
|
PN |
Function Description |
Package |
| BZT55C7V5 |
7.5V Zener Diode |
LL34 |
| SS14 |
1A Schottky Diode |
SMA |
| SB260 |
Schottky Rectification Diode 60V/2A |
DO-15/SMB |
| MMBT8550 |
PNP Transistor, Ic 0.5A/0.8A/1A/1.5A |
SOT23 |
| 78L05 |
Three-Terminal Voltage Output |
SOT89/TO92 |
