S-8261AAHMD-G2H-T2 Seiko Instruments, S-8261AAHMD-G2H-T2 Datasheet

S-8261AAHMD-G2H-T2

Manufacturer Part Number

S-8261AAHMD-G2H-T2

Description

Battery Management 4.28V Single Cell

Manufacturer

Seiko Instruments

Datasheets

1.S-8261AAJMD.pdf (38 pages)

2.S-8261AAHMD-G2H-T2.pdf (36 pages)

3.S-8261AAHMD-G2H-T2.pdf (30 pages)

4.S-8261AAHMD-G2H-T2.pdf (30 pages)

Specifications of S-8261AAHMD-G2H-T2

Product

Li-Ion Protection

Battery Type

Li-Ion, Li-Pol

Output Voltage

8 V

Operating Supply Voltage

1.5 V to 8 V

Supply Current

7 uA

Maximum Operating Temperature

+ 85 C

Minimum Operating Temperature

- 40 C

Package / Case

SOT-23-6

Mounting Style

SMD/SMT

Uvlo Start Threshold

1 V

Lead Free Status / Rohs Status

Lead free / RoHS Compliant

Current page: 1 of 36
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Rev.1.9

BATTERY PROTECTION IC FOR SINGLE-CELL PACK

Features

Applications

(1) Internal high accuracy voltage detection circuit

(2) High voltage device is used for charger connection pins

(3) Delay times (overcharge: t

(4) Three-step overcurrent detection circuit is included.

(5) 0 V battery charge function “available” / “unavailable” are selectable.

(6) Charger detection function and abnormal charge current detection function

(7) Low current consumption

(8) Wide operating temperature range −40 °C to +85 °C

(9) Small package SOT-23-6, 6-Pin SNB(B)

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage

*2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

• Overcharge detection voltage

• Overcharge hysteresis voltage

• Overdischarge detection voltage

• Overdischarge hysteresis voltage

• Overcurrent 1 detection voltage

• Overcurrent 2 detection voltage

(VM and CO pins: absolute maximum rating = 28 V)

(overcurrent 1, overcurrent 2 and load short-circuiting)

• The overdischarge hysteresis is released by detecting negative voltage at the VM pin (−0.7 V typ.).

• When the output voltage of the DO pin is high and the voltage at the VM pin is equal to or lower than

• Operation mode

• Power-down mode

(where overcharge release voltage < 3.8 V is prohibited.)

(where overdischarge release voltage > 3.4 V is prohibited.)

by an internal circuit. No external capacitor is necessary.

The overcharge hysteresis voltage can be selected from the range 0.0 V to 0.4 V in 50 mV step.

The overdischarge hysteresis voltage can be selected from the range 0.0 V to 0.7 V in 100 mV step.

(Charger detection function)

the charger detection voltage (−0.7 V typ.), the output voltage of the CO pin goes low. (Abnormal

charge current detection function)

_00

3.5 µA typ., 7.0 µA max.

0.1 µA max.

, overdischarge: t

3.9 V to 4.4 V (applicable in 5 mV step)

Accuracy: ±25 mV (+25 °C) and ±30 mV (−5 °C to +55 °C)

0.0 V to 0.4 V

2.0 V to 3.0 V (applicable in 10 mV step) Accuracy: ±50 mV

0.0 V to 0.7 V

0.05 V to 0.3 V (applicable in 10 mV step) Accuracy: ±15 mV

0.5 V (fixed) Accuracy: ±100 mV

Seiko Instruments Inc.

The S-8261 series are lithium-ion / lithium polymer

rechargeable battery protection ICs incorporating high-

accuracy voltage detection circuit and delay circuit.

The S-8261 series are suitable for protection of single-cell

lithium ion/lithium polymer battery packs from overcharge,

overdischarge and overcurrent.

, overcurrent 1: t

Accuracy: ±25 mV

Accuracy: ±50 mV

lOV1

, overcurrent 2: t

Accuracy: ±20%

S-8261 Series

lOV2

) are generated

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