Details, datasheet, quote on part number: S-8231AJFN-CAJ-T2
PartS-8231AJFN-CAJ-T2
CategoryPower Management => Battery Management => Battery Protection => Lithium-Ion Rechargeable Battery Protection
TitleLithium-Ion Rechargeable Battery Protection
DescriptionLithium-ion Rechargeable Battery Protection
CompanySeiko Instruments
DatasheetDownload S-8231AJFN-CAJ-T2 datasheet
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Features, Applications

The is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy voltage detection circuits and delay circuits. It is suitable for a single-cell lithium-ion battery pack.

Features

(1) Internal high-accuracy voltage detection circuit Overcharge detection voltage Overcharge release voltage mV 5 mV- step 50m V

5 mV- step (The Overcharge release voltage can be selected within the range where the difference from Overcharge detection voltage 0.3 V) Overdischarge detection voltage Overdischarge release voltage mV 50 mV- step 100 mV

mV - step (The overdischarge release voltage can be selected within the range where a difference from overdischarge detection voltage to 1.0V) Overcurrent detection voltage mV 5 mV-step High input-voltage device (absolute maximum rating: 18 V) Wide operating voltage range: 16 V

Wide operating temperature range: +85 C The delay time for every detection can be set via an external capacitor. Each delay time for Overcharge detection, Overdischarge detection, Overcurrent detection are Proportion of hundred to ten to One. or Proportion of fifty to ten to One. Two overcurrent detection levels (protection for short-circuiting) Internal auxiliary over voltage detection circuit (Fail safe for over voltage) Internal charge circuit for 0V battery (Unavailable is option) Low current consumption Operation 7.5 A typ. 13.7 A max. to +85 C) Power-down mode 0.2 nA typ. 0.14 A max. to +85 C) MSOP package mm2.95 mm

Applications
Battery Protection IC (for a single-cell pack) S-8231 Series

Model/Item Overcharge detection voltage Overcharge Overdischarg Overdischarge Overcurrent release e detection release detection voltage voltage1 Overcharge detection delay (C2=0.047 F) 1.0 sec 1.0 sec 0.5 sec 0.5 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 0.5 sec 0.5 sec 1.0 sec 1.0 sec 0.5 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 1.0 sec 0V battery charging function Auxiliary overcharge detection vol. Magnification Unavailable 1.24 Unavailable 1.24

Available Unavailable Available Unavailable Available Unavailable Available Unavailable Available Unavailable

Model/Item Overcharge detection voltage to 50C) Overcharge release voltage

0.200V20mV 0.5 sec Available Unavailable *1) No hysteresis is set between overcharge detection and release. *2) Charge and discharge are prohibited once overcharge is detected. (Overcharge lock type) *3) Auxiliary overcharge detection voltage comes in three types, i.e., overcharge detection voltage (VCU) 1. 24 times, overcharge detection voltage (VCU) x 1.10 times, and no final overcharge detection function. *4) No hysteresis is set between overdischarge detection and release.

Change in the detection voltage is available in products other than the above listed ones. Please contact with our sales division.

The overdischarge detection voltage can be selected within the range from to 3.0V. When the Overdischarge detection voltage is higher than 2.5V, the Overcharge detection voltage and the Overcharge release voltage are limited as follows table.

Overdischarge detection voltage (VDD) 3.00 V Overcharge detection voltage (VCU) 4.35 V Voltage difference between Overcharge detection voltage and Overcharge release voltage 0.10 V


 

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Some Part number from the same manufacture Seiko Instruments
S-8231AKFN-CAK-T2 Lithium-ion Rechargeable Battery Protection
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S-8233A Function = For 3-cell ;; Overcharge Detection Voltage (Accuracy) = 4.1-4.35 V (±50 MV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0-2.7 V (±80 MV) ;; Overcurrent Detection Voltage 1 (Accuracy)
S-8233B Function = For 3-cell ;; Overcharge Detection Voltage (Accuracy) = 3.8-4.4 V (±25 MV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0-2.8 V (±80 MV) ;; Overcurrent Detection Voltage 1 (Accuracy)
S-8233C
S-8241 Function = For 1-cell ;; Overcharge Detection Voltage (Accuracy) = 3.9-4.4 V (±25 MV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0-3.0 V (±80 MV) ;; Overcurrent Detection Voltage 1 (Accuracy)

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