s-8242bar-t8t1g Seiko Instruments Inc., s-8242bar-t8t1g Datasheet
s-8242bar-t8t1g
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s-8242bar-t8t1g Summary of contents
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... V or from a range steps.) *2. Overdischarge release voltage = Overdischarge detection voltage + Overdischarge hysteresis voltage (Overdischarge hysteresis voltage can be selected from a range 100 mV steps.) (2) Two-level overcurrent detection (overcurrent 1, overcurrent 2) • ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8242B Series Block Diagram DO CO 300 kΩ kΩ Remark All the diodes in the figure are parasitic diodes. 2 Delay circuit, controller battery charge/ charge inhibition circuit + − + − Charger detector Figure 1 Seiko Instruments Inc. Rev.1.7 ...
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... S-8242BBC-I8T1G 4.310 V S-8242BBD-I8T1G 4.350 V S-8242BBF-I8T1G Remark Please contact our sales office for the products with detection voltage value other than those specified above. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK xxxx G Package name (abbreviation) and IC packing specifications I8T1: SNT-8A, Tape T8T1: 8-Pin TSSOP, Tape ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8242B Series (2) 8-Pin TSSOP Package Overcharge Detection Product Name / Item Voltage (V S-8242BAC-T8T1G 4.350 V S-8242BAH-T8T1G 4.300 V S-8242BAI-T8T1G 4.250 V S-8242BAP-T8T1G 4.100 V S-8242BAR-T8T1G 4.300 V 4.300 V S-8242BAU-T8T1G 4.350 V S-8242BAV-T8T1G 4.350 V S-8242BAW-T8T1G 4.300 V S-8242BAX-T8T1G 4.350 V S-8242BBE-T8T1G 4.350 V S-8242BBF-T8T1G 4.200 V S-8242BBG-T8T1G Remark Please contact our sales office for the products with detection voltage value other than those specified above ...
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... connection Voltage detection between VM and VSS 8 VM (overcurrent/charger detection pin) *1. The NC pin is electrically open. The NC pin can be connected to VDD or VSS. Remark For the external views, refer to the package drawings. Seiko Instruments Inc. S-8242B Series Table 3 Description Table 4 Description 5 ...
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... Board size: 114.3 mm × 76.2 mm × t1.6 mm (2) Board name: JEDEC STANDARD51-7 Caution The absolute maximum ratings are rated values exceeding which the product could suffer physical damage. These values must therefore not be exceeded under any conditions. Figure 4 Power Dissipation of Package (When mounted on board) ...
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... DO pin L resistance *1. Voltage temperature coefficient 1: Overcharge detection voltage *2. Voltage temperature coefficient 2: Overcurrent detection voltage 1 *3. Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Table 6 ...
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... Condition 2, Test Circuit 2) Overdischarge detection voltage 1 (V goes from “H” to “L” when the voltage V1 is gradually decreased from the starting condition 3 Overdischarge release voltage 1 (V goes from “L” to “H” when setting V2 = 3.5 V and the voltage V1 is then gradually increased. Overdischarge ...
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... Overcurrent detection delay time 1 (t increases within 10 µs from Overcurrent detection delay time 2 (t increases within 10 µs from 2.0 V under the set conditions 3 11 Charge Starting Charger Voltage (Products in Which 0 V Charge Is Available) (Test Condition 11, Test Circuit 2) The 0 V charge starting charger voltage ( ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8242B Series 12 Charge Inhibition Battery Voltage (Products in Which 0 V Charge Is Unavailable) (Test Condition 12, Test Circuit 2) The 0 V charge inhibition charger voltage ( higher) when the voltages V1 and V2 are gradually increased from the starting V goes to “H” condition − ...
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... Normal Status This IC monitors the voltage of the battery connected between the VDD and VSS pins and the voltage difference between the VM and VSS pins to control charging and discharging. When the battery voltage is in the range from overdischarge detection voltage n (V range from the charger detection voltage (V charging and discharging control FETs on ...
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... Overcurrent Status When a battery in the normal status is in the status where the voltage of the VM pin is equal to or higher than the overcurrent detection voltage because the discharge current is higher than the specified value and the status lasts for the overcurrent detection delay time, the discharge control FET is turned off and discharging is stopped ...
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... This function inhibits recharging when a battery that is internally short-circuited ( connected. When the battery voltage (The voltage between VDD and VSS pins) is the 0 V battery charge inhibition battery voltage (V the charging control FET gate is fixed to the EB − pin voltage to inhibit charging. When the battery voltage is the 0 V battery charge inhibition battery voltage (V Caution Some battery providers do not recommend charging for a completely self-discharged battery ...
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... DL voltage falls below the overdischarge detection voltage n (V overdischarge detection voltage n (V control FET off by the overcurrent detection. In this case the recovery of the battery voltage is so slow that if the battery voltage after the overdischarge detection delay time (t detection voltage ...
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... V CHA V EB − Charger connection Load connection *1 Mode *1. (1) : Normal mode (2) : Overcharge mode (3) : Overdischarge mode Remark The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Overcharge detection delay time (1) (2) Figure 10 Seiko Instruments Inc. S-8242B Series Overdischarge detection ...
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... DD VM pin V voltage IOV2 V IOV1 V SS Charger connection Overcurrent detection *1 Mode *1. (1) : Normal mode (2) : Overcurrent mode Remark The charger is assumed to charge with a constant current. 16 delay time IOV1 (1) (2) Figure 11 Seiko Instruments Inc. Overcurrent detection delay time IOV2 (1) (2) Rev.1.7 ...
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... CHA Charger connection Load connection *1 Mode *1. (1) : Normal mode (2) : Overdischarge mode Remark The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK Overdischarge detection delay time ( (1) (2) Figure 12 Seiko Instruments Inc. S-8242B Series VM pin vodltage < V CHA ...
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... Resistor connection of a charger *1. Please set up a filter constant × C2 ≥ 20 µ F • Ω , and × × C2. *2. If the threshold voltage of a FET is low, the FET may not cut the charging current FET with a threshold voltage equal to or higher than the overdischarge detection voltage is used, discharging may be stopped before overdischarge is detected ...
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... The application conditions for the input voltage, output voltage, and load current should not exceed the package power dissipation. • When connecting a battery and the protection circuit, the output voltage of the DO pin (V state). In this case, short the VM and VSS pins or connect the battery charger to make the output voltage of the DO pin (V ) “H” (normal state). ...
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... V − PDN DD 0.10 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0. (2) Overcharge detection/release voltage, overdischarge detection/release voltage, overcurrent detection voltage, and delay time 1. V − 4.350 4.345 4.340 4.335 4.330 4.325 4.320 4.315 4.310 4.305 4.300 −40 − ° C] − ...
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... DD 1.5 1.4 1.3 1.2 1.1 1.0 0 − V 11. t IOV1 DD 10.8 10.4 10.0 9.6 9.2 8.8 8.4 8.0 7.6 7 BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK [V] 10 [V] 12 [V] Seiko Instruments Inc. S-8242B Series − Ta 185 175 165 155 145 135 125 115 −40 −25 ...
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... BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK S-8242B Series − V 13. t IOV2 DD 0.38 0.36 0.34 0.32 0.30 0.28 0.26 0.24 0. (3) CO/DO pin − COH CO 0 −0.2 −0.4 −0.6 −0.8 −1.0 −1.2 −1.4 −1 − DOH DO 0 −0.2 −0.4 −0.6 −0.8 −1.0 −1.2 −1 ...
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... S-8242BAY-I8T1G S-8242BAZ-I8T1G S-8242BBA-I8T1G S-8242BBB-I8T1G S-8242BBC-I8T1G S-8242BBD-I8T1G S-8242BBF-I8T1G Remark Please contact our sales office for the products with detection voltage value other than those specified above. BATTERY PROTECTION IC FOR 2-SERIAL-CELL PACK (1) Blank Product code (Refer to Product name vs. Product code ) (2) to (4) (5), (6) Blank ...
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... Product Name vs. Function Code Product Name S-8242BAC-T8T1G S-8242BAH-T8T1G S-8242BAI-T8T1G S-8242BAP-T8T1G S-8242BAR-T8T1G S-8242BAU-T8T1G S-8242BAV-T8T1G S-8242BAW-T8T1G S-8242BAX-T8T1G S-8242BBE-T8T1G S-8242BBF-T8T1G S-8242BBG-T8T1G Remark Please contact our sales office for the products with detection voltage value other than those specified above. 24 ...
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... Use of the information described herein for other purposes and/or reproduction or copying without the express permission of Seiko Instruments Inc. is strictly prohibited. The products described herein cannot be used as part of any device or equipment affecting the human body, such as exercise equipment, medical equipment, security systems, gas equipment, or any apparatus installed in airplanes and other vehicles, without prior written permission of Seiko Instruments Inc ...