Details, datasheet, quote on part number: S-8243BAF
PartS-8243BAF
CategoryPower Management => Battery Management => Battery Protection => Lithium-Ion Rechargeable Battery Protection
TitleLithium-Ion Rechargeable Battery Protection
DescriptionFunction = For 3 Cells ;; Overcharge Detection Voltage (Accuracy) = 3.9 V to 4.4 V (±25 MV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0 to 3.0 V (±80 MV) ;; Overcurrent Detection Voltage 1 (Accuracy) = 0.05 V to 0.3 V (±25 MV) ;; Overcharge Detection Delay Time = 1.0s (C=0.1 UF) ;; Package (Power Dissipation) = 16-pin Tssop (300 MW)
CompanySeiko Instruments
DatasheetDownload S-8243BAF datasheet
  

 

Features, Applications

The is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy battery protection circuits, a battery monitor amp and a voltage regulator. The S-8243A/B is suitable for protection or 4- serial cell lithium-ion battery packs from overcharge, overdischarge and overcurrent.

Features

High-accuracy voltage detection for each cell Overcharge detection voltage (50 mV step) Accuracy 25 mV Hysteresis voltage 4) of overcharge detection (50 mV step) 0 V Accuracy 50 mV (Overcharge release voltage n (=Overcharge detection voltage n + Hysteresis voltage n) can be selected within the range to 4.4 V.) Overdischarge detection voltage (100 mV step) Accuracy 80 mV Hysteresis voltage 4) of overdischarge detection (100 mV step) Accuracy 100 mV (Overdischarge release voltage n (=Overdischarge detection voltage n + Hysteresis voltage n) can be selected within the range to 3.4 V.) (2) Three-level overcurrent protection including protection for short-circuiting Overcurrent detection voltage (50 mV step) Accuracy 25 mV Overcurrent detection voltage 0.5 V Accuracy 100 mV Overcurrent detection voltage 3 VDD/2 Accuracy % (3) Delay times for overcharge detection, overdischarge detection and overcurrent detection 1 can be set by external capacitors. (Delay times for overcurrent detection 2 and 3 are fixed internally.) (4) Charge/discharge operation can be controlled through the control pins. (5) High-accuracy battery monitor amp GAMP = VBATTERY Voltage regulator VOUT (3 mA max.) (7) High input-voltage device Absolute maximum rating: V (8) Wide operating voltage range V (9) Wide operating temperature range: C (10) Low current consumption Operation mode 120 A max. Power down mode 0.1 A max. (11) Small package 16-Pin TSSOP package (1)

Applications
Lithium-ion rechargeable battery packs Lithium- polymer rechargeable battery packs
BATTERY PROTECTION IC FOR OR 4-SERIAL PACK S-8243A/B Series Block Diagrams

Remark1. Diodes in the figure are parasitic diodes. 2. Numerical values are typical values. Figure 1

Remark1. Diodes in the figure are parasitic diodes. 2. Numerical values are typical values. Figure 2


 

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S-8243BAFFT Function = For 3 Cells ;; Overcharge Detection Voltage (Accuracy) = 3.9 V to 4.4 V (±25 MV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0 to 3.0 V (±80 MV) ;; Overcurrent Detection Voltage
S-8244 Function = For 1-4 Cell (Secondary Protection) ;; Overcharge Detection Voltage (Accuracy) = 3.7-4.5 V (±25 MV) ;; Overdischarge Detection Voltage (Accuracy) = - ;; Overcurrent Detection Voltage 1 (Accuracy)
S-8253A Function = For 2-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)
S-8254 Function = For 3 Cells or 4 Cells ;; Overcharge Detection Voltage (Accuracy) = 3.9 V to 4.4 V (±25 MV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0 to 3.0 V (±80 MV) ;; Overcurrent Detection
S-8261 Function = For 1-cell ;; Overcharge Detection Voltage (Accuracy) = 3.9-4.4 V (±25mV) ;; Overdischarge Detection Voltage (Accuracy) = 2.0-3.0 V (±50mV) ;; Overcurrent Detection Voltage 1 (Accuracy)
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