S-8204A series is a battery protection IC for 3 or 4 series lithium-ion rechargeable batteries. It has high precision detection circuits and delay circuits, and can be switched between 3 or 4 series batteries through the SEL terminal.
The S-8204A series is a battery‑protection IC designed for monitoring 3‑cell or 4‑cell series‑connected lithium‑ion rechargeable batteries. It includes high‑precision voltage detection, over‑charge/over‑discharge protection, and configurable delay times via external capacitors. The SEL pin allows switching between 3‑cell and 4‑cell operation, and parallel connection enables protection of packs with more than five cells.
The document provides detailed pin assignments, electrical characteristic tables, package information (16‑pin TSSOP), and measurement circuits. It also outlines test procedures for current consumption, voltage thresholds, and delay functions, helping designers integrate the IC into battery management systems safely and reliably. This manual is written in Chinese.
| Over‑charge detection voltage range | 3.8 V ~ 4.6 V (adjustable, 50 mV steps) |
|---|---|
| Over‑charge release voltage range | 3.6 V ~ 4.5 V (adjustable, 50 mV steps) |
| Over‑discharge detection voltage range | 2.0 V ~ 3.0 V (adjustable, 100 mV steps) |
| Over‑discharge release voltage range | 2.0 V ~ 3.4 V (adjustable, 100 mV steps) |
| Discharge over‑current detection voltage 1 | 0.05 V ~ 0.30 V (adjustable, 50 mV steps) |
| Maximum operating voltage (absolute rating) | 24 V |
| Package type | 16‑Pin TSSOP |
Connect the SEL pin to VSS for 3‑cell operation or to VPP for 4‑cell operation.
The absolute maximum rated voltage is 24 V.
It is supplied in a 16‑pin TSSOP package.
Typical active current consumption is 33 µA (maximum) at 25 °C.