Switch Mode Lithium-Ion Battery Charger Controller

The UCC3956 family of Switch Mode Lithium-Ion Battery Charger Controllers accurately control lithium-ion battery charging with a highly efficient average current control loop. This chip is designed to work as a stand alone charger controller for a single cell or multiple cell battery pack. This chip combines charge state Logic and aver- age current PWM control circuitry with a 14 bit Counter to program the over charge time. The charge state Logic indicates current or voltage control depending on the charge state. The chip includes undervoltage lockout circuitry to insure sufficient supply voltage is present before output switching starts. Additional circuit blocks in- clude a differential Current Sense Amplifier a 1% Voltage Reference voltage and current error Amplifiers PWM latch, charge state de- code bits, and a 500mA output driver. By Texas Instruments
UCC2956 's PackagesUCC2956 's pdf datasheet



UCC2956 Pinout, Pinouts
UCC2956 pinout,Pin out
This is one package pinout of UCC2956,If you need more pinouts please download UCC2956's pdf datasheet.

UCC2956 Application circuits
UCC2956 circuits
This is one application circuit of UCC2956,If you need more circuits,please download UCC2956's pdf datasheet.


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