CS8011A/B is a complete single-cell lithium-ion battery charge management, discharge protection chip, 5V power supply positive and negative

Reverse connection protection, with battery reverse polarity protection, compatible with 3mA-1000mA charging current. which uses constant current/

Constant voltage linear control, thin DFN and TSOT packages and low external component count make it portable

Ideal for applications.

External sense resistors and isolation are not required due to the internal PMOSFET architecture, coupled with an anti-backup charging circuit.

away from the diode. Thermal feedback automatically adjusts charge current for core alignment during high power operation or high ambient temperature conditions

The chip temperature is limited. The chip has an adaptive function of power supply voltage and power, and can directly draw power from USB or solar energy. full

The voltage is fixed at 4.2V, while the charge current can be set externally with a resistor. When the battery reaches 4.2V

After the charging current drops to 1/10 of the set value, the CS8011A will automatically terminate the charging.

The discharge management of CS8011A includes undervoltage protection, overcharge protection, output short circuit protection, output overcurrent protection,

Chip over-temperature protection and delayed self-activation recovery after various protections, other features include charge current monitor, under-voltage

Latch, auto-recharge and two charge status pins (CS8011A has one charge indicator status pin).

CS8011A adopts 8-pin DFN2*2 package, and the charging current range is 3mA-1000mA. CS8011B adopts 6-lead

Pin TSOT23 package, charging current range 3mA-600mA

Features:

The first 5V power supply reverse connection protection;

Compatible with programmable charging currents ranging from 3mA to 1000mA;

Lithium battery positive and negative polarity reverse protection;

Trickle-constant current-constant voltage three-stage charging;

·Automatic power supply in charging mode;

4.2V preset charging voltage with an accuracy of ± 1%;

The highest input can reach 8V;

20% constant current precharge;

·C/10 charge termination;

·The power supply current in charging standby mode is 80uA,

BAT standby current 4uA in discharge mode;

·Battery 2.6V under-voltage protection shutdown, charging self-recovery;

·Overcharge protection, output short circuit protection, output overcurrent protection;

·After protection, self-recovery after 8 seconds;

·Two thin packages are available DFN2*2-8/TSOT23-6