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 38
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Rev.4.4

BATTERY PROTECTION IC FOR SINGLE-CELL PACK

Features

Applications

Package

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10) Small package SOT-23-6

(11) Lead-free product

*1. Overcharge release voltage = Overcharge detection voltage − Overcharge hysteresis voltage (where overcharge

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

• Lithium-ion rechargeable battery packs

• Lithium polymer rechargeable battery packs

SOT-23-6

release voltage < 3.8 V is prohibited.)

overdischarge release voltage > 3.4 V is prohibited.)

Internal high accuracy voltage detection circuit

• Overcharge detection voltage

• Overcharge hysteresis voltage

• Overdischarge detection voltage

• Overdischarge hysteresis voltage

• Overcurrent 1 detection voltage

• Overcurrent 2 detection voltage

High voltage device is used for charger connection pins (VM and CO pins: absolute maximum rating = 28 V).

Delay times (overcharge: t

circuit. No external capacitor is necessary.

Three-step overcurrent detection circuit is included (overcurrent 1, overcurrent 2 and load short-circuiting).

0 V battery charge function “Available” / “Unavailable” are selectable.

Power-down function “Yes” / “No” are selectable.

Charger detection function and 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

Low current consumption

• Operation mode

• Power-down mode

Wide operating temperature range −40 to +85 °C

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

The overcharge hysteresis voltage can be selected from the range 0.1 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.

Package name

_00

3.5 µA typ., 7.0 µA max.

0.1 µA max.

, overdischarge: t

MP006-A

Package

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

0.1 V to 0.4 V

2.0 V to 3.0 V (applicable in 10 mV step)

0.0 V to 0.7 V

0.05 V to 0.3 V (applicable in 10 mV step)

0.5 V (fixed)

Seiko Instruments Inc.

, overcurrent 1: t

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.

Drawing code

lOV1

MP006-A

, overcurrent 2: t

Tape

Accuracy: ±25 mV

Accuracy: ±50 mV

Accuracy: ±100 mV

Accuracy: ±20%

Accuracy: ±25 mV (+25 °C) and

Accuracy: ±50 mV

Accuracy: ±15 mV

lOV2

S-8261 Series

) are generated by an internal

±30 mV (−5 to +55 °C)

MP006-A

Reel

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