s-8261aajmd Seiko Instruments Inc., s-8261aajmd Datasheet
s-8261aajmd
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s-8261aajmd Summary of contents
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... 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 voltage (−0.7 V typ.), the output voltage of the CO pin goes low (Abnormal charge current detection function). ...
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... S-8261 Series Block Diagram 0 V battery charge circuit battery charge DO inhibition circuit CO R VMD VM R VMS Remark All the diodes shown in the figure are parasitic diodes Output control circuit Divider control circuit Charger detection circuit + − Overcurrent 1 detection comparator + − ...
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... Refer to the taping specifications. *2. Refer to the Product Name List. BATTERY PROTECTION IC FOR SINGLE-CELL PACK MD - xxx T2 G Product name (abbreviation) Serial code Seiko Instruments Inc. S-8261 Series *1 IC direction in tape specifications T2: SOT-23-6 *2 Package name (abbreviation) MD: SOT-23-6 Assigned from alphabetical order 3 ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series 2. Product Name List Overcharge detection Model No. voltage V S-8261AAGMD-G2GT2G 4.280 V S-8261AAHMD-G2HT2G 4.280 V S-8261AAJMD-G2JT2G 4.325 V S-8261AALMD-G2LT2G 4.300 V S-8261AAMMD-G2MT2G 4.300 V S-8261AANMD-G2NT2G 4.275 V S-8261AAOMD-G2OT2G 4.280 V S-8261AAPMD-G2PT2G 4.325 V S-8261AARMD-G2RT2G 4.280 V S-8261AASMD-G2ST2G 4.280 V S-8261AATMD-G2TT2G 4.300 V S-8261AAUMD-G2UT2G 4.275 V S-8261AAXMD-G2XT2G 4.350 V S-8261AAZMD-G2ZT2G 4 ...
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... Remark The delay times can be changed within the range listed Table 3. For details, please contact our sales office. Delay time Overcharge detection delay time Overdischarge detection delay time Overcurrent 1 detection delay time Overcurrent 2 detection delay time Load short-circuiting detection delay time Remark The value surrounded by bold lines is the delay time of the standard products ...
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... Figure 2 6 Pin No. Symbol FET gate control pin for discharge 1 DO (CMOS output) Voltage detection pin between VM and VSS 2 VM (Overcurrent detection pin) FET gate control pin for charge 3 CO (CMOS output Test pin for delay time measurement 5 ...
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... Board size : (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. (1) When mounted on board 700 600 ...
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... Internal resistance between VM and VSS 0 V BATTERY CHARGING FUNCTION 0 V battery charge starting charger voltage 0 V battery charge inhibition battery voltage V *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production. 8 Table 6 ...
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... V BATTERY CHARGING FUNCTION 0 V battery charge starting charger voltage 0 V battery charge inhibition battery voltage V *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed tested in production. by design, not BATTERY PROTECTION IC FOR SINGLE-CELL PACK ...
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... Overcharge detection delay time Overdischarge detection delay time Overcurrent 1 detection delay time Overcurrent 2 detection delay time Load short-circuiting detection delay time *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production. 10 Table 8 Symbol Condition ...
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... Overdischarge detection delay time Overcurrent 1 detection delay time Overcurrent 2 detection delay time Load short-circuiting detection delay time *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production. (4) S-8261AAU, S-8261AAX, S-8261ABA Item DELAY TIME (Ta = 25° ...
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... Overdischarge detection delay time Overcurrent 1 detection delay time Overcurrent 2 detection delay time Load short-circuiting detection delay time *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production. (6) S-8261ABY, S-8261ABZ, S-8261ACA Item DELAY TIME (Ta = 25° ...
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... Overcharge detection delay time Overdischarge detection delay time Overcurrent 1 detection delay time Overcurrent 2 detection delay time Load short-circuiting detection delay time *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production. (8) S-8261ACF Item DELAY TIME (Ta = 25° ...
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... Overcharge detection delay time Overdischarge detection delay time Overcurrent 1 detection delay time Overcurrent 2 detection delay time Load short-circuiting detection delay time *1. Since products are not screened at high and low temperatures, the specification for this temperature range is guaranteed by design, not tested in production. 14 Table 16 Symbol Condition ...
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... Test Condition 2, Test Circuit 2 (Overdischarge Detection Voltage, Overdischarge Hysteresis Voltage) The overdischarge detection voltage (V “H” to “L” when the voltage V1 is gradually decreased from the starting condition 3.5 V and The overdischarge hysteresis voltage ( and the voltage between VDD and VSS at which V DL increased ...
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... The abnormal charge current detection delay time is the time needed for V momentarily decreases (within 10 µs) from −1.1 V under the set condition 3.5 V and The abnormal charge current detection delay time has the same value as the overcharge detection delay time. ...
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... COM Test Circuit VDD S-8261 Series V1 VSS DO COM Test Circuit 3 VDD S-8261 Series V1 VSS DO Oscilloscope COM Test Circuit 5 BATTERY PROTECTION IC FOR SINGLE-CELL PACK Oscilloscope Figure 4 Seiko Instruments Inc. S-8261 Series I ...
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... Overcurrent Condition (Detection of Overcurrent 1, Overcurrent 2 and Load Short-circuiting) 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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... FET off to stop discharging. This condition is called the overdischarge condition. When the discharging control FET is turned off, the VM pin voltage is pulled up by the resistor between VM and VDD in the ...
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... DL voltage falls below the overdischarge detection voltage (V overdischarge detection voltage (V control FET off by the overcurrent detection. In this case if the recovery of the battery voltage is so slow that the battery voltage after the overdischarge detection delay time (t overdischarge detection voltage (V For products without power-down function ...
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... DP Pin The DP pin is a test pin for delay time measurement and it should be open in the actual application capacitor whose capacitance is larger than 1000 resistor whose resistance is less than 1 MΩ is connected to this pin, error may occur in the delay times or in the detection voltages. ...
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... VM pin V IOV2 V IOV1 V SS Charger connection Load connection Overcurrent 1 detection delay time (t Mode (1) Remark (1) Normal condition, (2) Overcharge condition, (3) Overdischarge condition, (4) Overcurrent condition The charger is supposed to charge with constant current. 22 Overcharge detection delay time (t ) Overdischarge detection delay time (t CU (1) (2) (1) Figure 6 ) Overcurrent 2 detection delay time (t ...
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... pin pin CHA Charger connection Load connection Mode Remark (1) Normal condition, (2) Overcharge condition, (3) Overdischarge condition, (4) Overcurrent condition The charger is supposed to charge with constant current. (4) Abnormal Charge Current Detection V CU −V V Battery CU HC voltage ...
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... If the withstanding voltage between the gate and source is lower than the charger voltage, the FET may be destroyed. * has a high resistance, the voltage between VDD and VSS may exceed the absolute maximum rating when a charger is connected in reverse since the current flows from the charger to the IC. Insert a resistor of 300 Ω or higher to R1 for ESD protection. ...
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... Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit. • SII claims no responsibility for any and all disputes arising out connection with any infringement by products including this IC of patents owned by a third party. BATTERY PROTECTION IC FOR SINGLE-CELL PACK Seiko Instruments Inc ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Characteristics (Typical Data) 1. Detection / Release Voltage Temperature Characteristics Overcharge detection voltage vs. temperature 4.44 4.42 4.40 4.38 4.36 4.34 −50 − [°C] Overdischarge detection voltage vs. temperature 3.04 3.02 3.00 2.98 2.96 2.94 −50 − [°C] Overcurrent 1 detection voltage vs. temperature 0.45 0.40 0.35 0.30 0.25 0.20 0.15 −50 − [°C] Load short-circuiting detection voltage vs.temperature 1 ...
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... Rev.4.4 _00 2. Current Consumption Temperature Characteristics Current consumption vs. temperature in normal mode −50 − [°C] 3. Current Consumption Power Voltage Characteristics (Ta = 25°C) Current consumption power supply voltage dependency Detection / Release Delay Time Temperature Characteristics Overcharge detection delay time vs ...
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... Ta [°C] Load short-circuiting delay time vs. temperature 0.40 0.36 0.32 0.28 0.24 0.20 0.16 −50 − [°C] 5. Delay Time Power-Voltage Characteristics (Ta = 25°C) Overcurrent 1 detection delay time vs. power supply voltage dependency 2 Load short-circuiting delay time vs. power supply voltage dependency 0.32 0.28 0.24 0.2 0.16 2.5 3 3.5 ...
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... Rev.4.4 _00 6. CO Pin / DO Pin Output Current Characteristics (Ta = 25°C) CO pin source current characteristics V −0.5 −0.4 −0.3 −0.2 −0 pin source current characteristics V −0.5 −0.4 −0.3 −0.2 −0 BATTERY PROTECTION IC FOR SINGLE-CELL PACK = 3 ...
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... Ta [°C] Load short-circuiting delay time vs. temperature 0.40 0.36 0.32 0.28 0.24 0.20 0.16 −50 − [°C] 5. Delay Time Power-Voltage Characteristics (Ta = 25°C) Overcurrent 1 detection delay time vs. power supply voltage dependency 2 Load short-circuiting delay time vs. power supply voltage dependency 0.32 0.28 0.24 0.2 0.16 2.5 3 3.5 ...
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... Rev.4.3 _00 6. CO Pin / DO Pin Output Current Characteristics (Ta = 25°C) CO pin source current characteristics V −0.5 −0.4 −0.3 −0.2 −0 pin source current characteristics V −0.5 −0.4 −0.3 −0.2 −0 BATTERY PROTECTION IC FOR SINGLE-CELL PACK = 3 ...
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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 ...