S-8261ABMMD-G3MT2S - Brand New ABLIC IC Chips
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Description
The S-8261ABMMD-G3MT2S is a lithium-ion/lithium polymer rechargeable battery protection IC for 1-cell packs. It incorporates a high-accuracy voltage detection circuit and delay circuits, making it suitable for protecting single-cell lithium-ion/lithium polymer battery packs from overcharge, overdischarge, and overcurrent.
Specifications and features
(1) Internal high accuracy voltage detection circuit
- Overcharge detection voltage: 3.9 V to 4.5 V (applicable in 5 mV step)
- Accuracy: ±25 mV (+25°C) and ±30 mV (−5°C to +55°C)
- Overcharge hysteresis voltage: 0.1 V to 0.4 V
- The overcharge hysteresis voltage can be selected from the range 0.1 V to 0.4 V in 50 mV step.
- Overdischarge detection voltage: 2.0 V to 3.0 V (applicable in 10 mV step)
- Accuracy: ±50 mV
- Overdischarge hysteresis voltage: 0.0 V to 0.7 V
- The overdischarge hysteresis voltage can be selected from the range 0.0 V to 0.7 V in 100 mV step.
- Overcurrent 1 detection voltage: 0.05 V to 0.3 V (applicable in 10 mV step)
- Accuracy: ±15 mV
- Overcurrent 2 detection voltage: 0.5 V (fixed)
- Accuracy: ±100 mV
(2) High voltage device is used for charger connection pins (VM and CO pins: absolute maximum rating = 28 V).
(3) Delay times (overcharge: tCU, overdischarge: tDL, overcurrent 1: tlOV1, overcurrent 2: tlOV2) are generated by an internal circuit. No external capacitor is necessary. Accuracy: ±20%
(4) Three-step overcurrent detection circuit is included (overcurrent 1, overcurrent 2, and load short-circuiting).
(5) 0 V battery charge function “Available” / “Unavailable” is selectable.
(6) Power-down function “Yes” / “No” is selectable.
(7) Charger detection function and an abnormal charge current detection function:
- The overdischarge hysteresis is released by detecting negative voltage at the VM pin (−0.7 V typ.) (Charger detection function).
- When the output voltage of the DO pin is high and the voltage at the VM pin is equal to or lower than the charger detection voltage (−0.7 V typ.), the output voltage of the CO pin goes low (Abnormal charge current detection function).
(8) Low current consumption:
- Operation mode: 3.5 μA typ., 7.0 μA max.
- Power-down mode: 0.1 μA max.
(9) Wide operating temperature range: −40°C to +85°C
(10) Lead-free, Sn 100%, halogen-free
Application Scenarios
- Lithium-ion rechargeable battery packs
- Lithium polymer rechargeable battery packs
Comparison
Advantages- High accuracy voltage detection circuit
- Wide operating temperature range
- Low current consumption
- Three-step overcurrent detection circuit
- Compatibility with lithium-ion and lithium polymer battery packs
Disadvantages- No external capacitor necessary
- Limited selection for overcharge and overdischarge hysteresis voltages
- Fixed overcurrent 2 detection voltage
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Similar parts: 430483 , Click to view
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Datasheet
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Shopping guide
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Popular parts of the same kind
- Datasheet: Download S-8261ABMMD-G3MT2S
- Chipdatas Part: CD94-S-8261ABMMD-G3MT2S
- Warehouse: China, Hong Kong
- Dispatch: Within 24 hours
- Free Shipping: Yes
- Prority Shipping: Yes, 3-5 days
- Last Updated: 2024/06/03 12:21 +0800
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- Full Refund if you don't receive your order
- Full or Partial Refund , If the item is not as described
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