HOME > Product Tree > Power Supply ICs > Lithium-ion Battery Protection ICs
Parametric Search - Lithium-ion Battery Protection ICs
SII's lithium-ion rechargeable battery protection ICs protect the lithium-ion battery packs from overcharge, overdischarge and overcurrent.
High-accuracy voltage detectors and delay circuits are included.
↓You can sort the table by clicking on the column headers.
| No. | Model No. | Data Sheet | Application Note | Function | Overcharge Detection Voltage (Accuracy) | Overdischarge Detection Voltage (Accuracy) | Discharge Overcurrent Detection Voltage (Accuracy) | Overcharge Detection Delay | Parts Search (Download) | Package |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | S-8200A series |
|
- | For 1-cell |
3.5-4.5 V (±20mV) |
2.0-3.4 V (±35mV) |
0.05-0.20 V (±10mV) |
Built-in Delay Timer |
|
SOT-23-6
SNT-6A |
| 2 | S-8211C series |
|
- | For 1-cell |
3.9-4.5 V (±25mV) |
2.0-3.0 V (±50mV) |
0.05-0.3 V (±15mV) |
Built-in Delay Timer |
|
SOT-23-5
SNT-6A |
| 3 | S-8211D series |
|
- | For 1-cell |
3.6 to 4.5 V (±25mV) |
2.0 to 3.0 V (±50mV) |
0.05 to 0.3 V (±15mV) |
Built-in Delay Timer |
|
SOT-23-5
SNT-6A |
| 4 | S-8211E series |
|
- | For 1-cell |
3.6 to 4.5 V (±25mV) |
2.0 to 3.0 V (±50mV) |
- | Built-in Delay Timer |
|
SOT-23-5
SNT-6A |
| 5 | S-8261 series |
|
- | For 1-cell |
3.9-4.5 V (±25mV) |
2.0-3.0 V (±50mV) |
0.05-0.3 V (±15mV) |
Built-in Delay Timer |
|
SOT-23-6
|
| 6 | S-8241 series |
|
- | For 1-cell |
3.9-4.4 V (±25 mV) |
2.0-3.0 V (±80 mV) |
0.05-0.32 V (±20 mV) |
Built-in Delay Timer |
|
SNT-6A
SOT-23-5 |
| 7 | S-8232 series |
|
- | For 2-cell |
3.85-4.6 V (±25 mV) |
1.7-2.6 V (±80 mV) |
0.07-0.3 V (±20 mV) |
External Delay Capacitor |
|
8-pin TSSOP
|
| 8 | S-8242B series |
|
- | For 2-cell |
3.9-4.5 V (±25 mV) |
2.0-3.0 V (±50 mV) |
0.05, 0.08-0.3 V (±15 mV) |
Built-in Delay Timer |
|
SNT-8A
8-pin TSSOP |
| 9 | S-8252 series |
|
- | For 2-cell |
3.55-4.6 V (±20 mV) |
2.0-3.0 V (±50 mV) |
0.05-0.40 V (±10 mV) |
Built-in Delay Timer |
|
SNT-6A
SOT-23-6 |
| 10 | S-8262A Series |
|
- | For 2-cell |
3.9-4.5 V (±20 mV) |
2.0-3.0 V (±50 mV) |
0.05-0.20 V (±10 mV) |
Built-in Delay Timer |
|
SNT-8A
|
| 11 | S-8233A series |
|
- | For 3-cell |
4.1-4.35 V (±50 mV) |
2.0-2.7 V (±80 mV) |
0.15-0.5 V (±10%) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 12 | S-8233B series |
|
- | For 3-cell |
3.8-4.4 V (±25 mV) |
2.0-2.8 V (±80 mV) |
0.15-0.5 V (±10%) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 13 | S-8233C series |
|
- | For 3-cell |
3.8-4.4 V (±50 mV) |
2.0-2.8 V (±80 mV) |
0.15-0.5 V (±10%) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 14 | S-8253A/B series |
|
- | For 2-cell or 3-cell |
3.9-4.4 V (±25 mV) |
2.0-3.0 V (±80 mV) |
0.05-0.3 V (±25 mV) |
Built-in Delay Timer |
|
8-pin TSSOP
|
| 15 | S-8253C/D series |
|
- | For 2-cell or 3-cell |
3.9-4.4 V (±25 mV) |
2.0-3.0 V (±80 mV) |
0.05-0.3 V (±25 mV) |
Built-in Delay Timer |
|
8-pin TSSOP
|
| 16 | S-8243A/B series |
|
- | For 3-cell or 4-cell |
3.9 V to 4.4 V (±25 mV) |
2.0 to 3.0 V (±80 mV) |
0.05 V to 0.3 V (±25 mV) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 17 | S-8254A series |
|
- | For 3-cell or 4-cell |
3.9 V to 4.4 V (±25 mV) |
2.0 to 3.0 V (±80 mV) |
0.05 V to 0.3 V (±25 mV) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 18 | S-8204A series |
|
|
For 3-cell or 4-cell |
3.8 V to 4.6 V (±25 mV) |
2.0 to 3.0 V (±80 mV) |
0.05 V to 0.30 V (±15 mV) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 19 | S-8205A/B Series |
|
- | For 4-cell or 5-cell |
3.55 V to 4.40 V (±25 mV) |
2.0 to 3.2 V (±80 mV) |
0.05 V to 0.30 V (±15 mV) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 20 | S-8204B series |
|
|
For 3-cell or 4-cell |
3.8 V to 4.6 V (±25 mV) |
2.0 to 3.0 V (±80 mV) |
0.05 V to 0.30 V (±15 mV) |
External Delay Capacitor |
|
16-pin TSSOP
|
| 21 | S-8225A Series |
|
- | For 3-cell to 5-cell |
3.5 ~ 4.4 V (±20 mV) |
2.0 ~ 3.2 V (±80 mV) |
- | External Delay Capacitor |
|
16-pin TSSOP
|
| 22 | S-8225B Series |
|
- | For 3-cell to 5-cell |
3.5 ~ 4.4 V (±20 mV) |
2.2 ~ 3.2 V (±80 mV) |
- | External Delay Capacitor |
|
16-pin TSSOP
|
| 23 | S-8213 Series |
|
- | 2cell / 3cell (Secondary Protection) | 4.10 V ~ 4.50 V (±25 mV) | - | - | Built-in Delay Timer |
|
SOT-23-6
SNT-6A |
| 24 | S-8264A/B/C series |
|
- | For 2-4 cell (Secondary Protection) |
4.3-4.8 V (±25mV) |
- | - | Built-in Delay Timer |
![]() |
SNT-8A
8-pin TSSOP |
| 25 | S-8215A series |
|
- | For 3-cell to 5-cell (Secondary Protection) |
3.6-4.7 V (±25mV) |
- | - | Built-in Delay Timer |
|
SNT-8A
TMSOP-8 |
| 26 | S-8244 series |
|
- | For 1-4 cell (Secondary Protection) |
3.7-4.5 V (±25 mV) |
- | - | External Delay Capacitor |
|
8-pin MSOP
SNT-8A TMSOP-8 |
| 27 | S-8209A series |
|
|
Cell-balance function |
3.55-4.4 V (±25 mV) |
2.0-3.0 V (±50 mV) |
- | External Delay Capacitor |
|
8-pin TSSOP
SNT-8A |
| 28 | S-8209B series |
|
|
Cell-balance function |
3.55-4.4 V (±25 mV) |
2.0-3.0 V (±50 mV) |
- | External Delay Capacitor |
|
8-pin TSSOP
SNT-8A |
| 29 | S-8239A Series |
|
- | For multi-serial-cell pack | - | - | 0.04 V ~ 0.30 V (±15 mV) | Built-in Delay Timer |
|
SOT-23-6
|

