s-8205bac-tct1u Seiko Instruments Inc., s-8205bac-tct1u Datasheet

s-8205bac-tct1u

Manufacturer Part Number

s-8205bac-tct1u

Description

S-8205a/b Series Battery Protection Ic

Manufacturer

Seiko Instruments Inc.

Datasheet

1.S-8205BAC-TCT1U.pdf (31 pages)

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The S-8205A/B Series includes a voltage detection circuit with high accuracy and a delay circuit, in single use, makes it

possible for users to monitor the status of 4-series or 5-series cell lithium-ion rechargeable battery.

These ICs are suitable for protecting rechargeable lithium-ion battery packs from overcharge, overdischarge, and

overcurrent.

www.sii-ic.com

Features

Applications

Package

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10) Low current consumption

(11) Lead-free (Sn 100%), halogen-free

• Rechargeable lithium-ion battery packs

• 16-Pin TSSOP

*1. The overcharge detection voltage n (n = 1 to 5) and overdischarge detection voltage (n = 1 to 5) are not selectable

*2. Overcharge hysteresis voltage n (n = 1 to 5) is selectable in 0 V, or in 0.1 V to 0.4 V in 50 mV step.

*3. Overdischarge hysteresis voltage n (n = 1 to 5) is selectable in 0 V, or in 0.2 V to 0.7 V in 100 mV step.

*4. The discharge overcurrent detection voltage and load short circuit detection voltage are not selectable if the voltage

*5. Refer to “ Product Name Structure” for details.

if the voltage difference between them is 0.6 V or less.

(Overcharge hysteresis voltage = Overcharge detection voltage − Overcharge release voltage)

(Overdischarge hysteresis voltage = Overdischarge release voltage − Overdischarge detection voltage)

difference between them is 0.3 V or less.

High-accuracy voltage detection for each cell

• Overcharge detection voltage n (n = 1 to 5)

• Overcharge release voltage n (n = 1 to 5)

• Overdischarge detection voltage n (n = 1 to 5)

• Overdischarge release voltage n (n = 1 to 5)

Discharge overcurrent detection in 2-step

• Discharge overcurrent detection voltage

• Short circuit detection voltage

Charge overcurrent detection

• Charge overcurrent detection voltage

Settable by external capacitor; Overcharge detection delay time, Overdischarge detection delay time, Discharge

overcurrent detection delay time, Charge overcurrent detection delay time

(Load short circuit detection delay time is internally fixed.)

S-8205A Series: used for 4-series cell, S-8205B Series: used for 5-series cell

Independent charging and discharge control by the control pins

Withstand voltage element

Wide range of operation voltage

Wide range of operation temperature

• Operation mode

• Power-down mode

Seiko Instruments Inc.

FOR 4-SERIES OR 5-SERIES CELL PACK

3.55 V to 4.40 V

3.30 V to 4.40 V

2.0 V to 3.2 V

2.0 V to 3.4 V

0.05 V to 0.30 V

0.50 V to 1.0 V

−0.30 V to −0.05 V (50 mV step)

Absolute maximum rating : 28 V

2 V to 24 V

−40°C to +85°C

0.1

A max. (+25°C)

(100 mV step)

(50 mV step)

BATTERY PROTECTION IC

S-8205A/B Series

Accuracy ±25 mV

Accuracy ±50 mV

Accuracy ±80 mV

Accuracy ±100 mV

Accuracy ±15 mV

Accuracy ±100 mV

Accuracy ±30 mV

Rev.1.1

_00

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