Seiko Instruments S-8209B
The S-8209B Series is a protection IC for lithium-ion / lithium polymer rechargeable batteries and includes a high-accuracy voltage detection circuit and a delay circuit. This IC has a transmission function and two types of cell-balance function so that users are also able to configure a protection circuit with series multi-cell.| Part No. | S-8209B |
|---|---|
| Datasheet | S-8209B Download |
| Manufacturer |  Seiko Instruments |
| Description | Battery Protection |
| Buy | Stock & Price |
FEATURES
(1) High-accuracy voltage detection circuit *1 3.55 V to 4.40 V (5 mV step)● Overcharge detection voltage *1
● Overcharge release voltage 3.50 V to 4.40 V*2
● Cell-balance detection voltage*1 3.55 V to 4.40 V (5 mV step)*3 *1
● Cell-balance release voltage 3.50 V to 4.40 V*4
● Overdischarge detection voltage 2.0 V to 3.0 V (10 mV step) *5
● Overdischarge detection voltage 2.0 V to 3.4 V Settable delay time by external capacitor for output pin Control charging, discharging, cell-balance by CTLC, CTLD pins Two types of cell-balance function; charge/discharge*6 Wide range of operation temperature −40°C to +85°C Low current consumption 7.0 µA max. Small package SNT-8A, 8-Pin TSSOP Lead-free product Accuracy ±25 mV Accuracy ±50 mV Accuracy ±25 mV Accuracy ±50 mV Accuracy ±50 mV Accuracy ±100 mV (2) (3) (4) (5) (6) (7) (8) *1. Regarding selection of overcharge detection voltage, overcharge release voltage, cell-balance detection voltage and cell-balance release voltage, refer to remark in “ Product Name Structure, 2.
