S-8261 Seiko Instruments, S-8261 Datasheet
S-8261
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S-8261 Summary of contents
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... The S-8261 series are lithium-ion / lithium polymer rechargeable battery protection ICs incorporating high- accuracy voltage detection circuit and delay circuit. The S-8261 series are suitable for protection of single-cell lithium ion/lithium polymer battery packs from overcharge, overdischarge and overcurrent. 3 4.4 V (applicable step) Accuracy: ± ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Packages Package name SOT-23-6 6-Pin SNB(B) 2 Drawing code Package Tape MP006-A MP006-A BD006-A BD006-A Seiko Instruments Inc. Rev.1.9 _00 Reel MP006-A BD006-A ...
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... Overcharge detection comparator Overcurrent 1 detection comparator Overdischarge detection comparator + Overcurrent 2 detection comparator − Load short-circuiting detection comparator Figure 2 Seiko Instruments Inc. S-8261 Series 0 V battery charge circuit − R VMD + VM − R VMS + − battery charge inhibition circuit ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Product Name Structure 1. Product Name xx S−8261A *1. Refer to the taping specifications. *2. Refer to the Product Name List − xxx − direction in tape specifications T2: SOT-23-6 TF: 6-Pin SNB(B) Product name (abbreviation) Package name (abbreviation) MD: SOT-23-6 ...
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... V 2.3 V 4.28 V 0.2 V 3.0 V 4.10 V 0.25 V 2.5 V 4.275 V 0.2 V 2.3 V 4.28 V 0.2 V 2.8 V 4.30 V 0.2 V 2.3 V 4.28 V 0.2 V 2.3 V 4.20 V 0.1 V 2.8 V 4.275 V 0.2 V 2.5 V 4.28 V 0.1 V 2.5 V Seiko Instruments Inc. S-8261 Series Overdischarge Overcurrent 1 hysteresis detection ] voltage [V ] voltage [ IOV1 0.08 V 0.4 V 0.15 V 0 0.2 V 0 0.13 V 0 ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Model No. S-8261AAGMD-G2G-T2 S-8261AAHMD-G2H-T2 S-8261AAJBD-G2J-TF S-8261AAJMD-G2J-T2 S-8261AALMD-G2L-T2 S-8261AAMMD-G2M-T2 S-8261AANMD-G2N-T2 S-8261AAOMD-G2O-T2 S-8261AAPMD-G2P-T2 S-8261AARBD-G2R-TF S-8261AARMD-G2R-T2 S-8261AASMD-G2S-T2 S-8261AAUMD-G2U-T2 S-8261AAVBD-G2V-TF S-8261AAXMD-G2X-T2 S-8261AAZMD-G2Z-T2 S-8261ABAMD-G3A-T2 S-8261ABBMD-G3B-T2 S-8261ABCMD-G3C-T2 S-8261ABDBD-G3D-TF S-8261ABEBD-G3E-TF S-8261ABGBD-G3G-TF S-8261ABHBD-G3H-TF S-8261ABIBD-G3I-TF S-8261ABJMD-G3J-T2 S-8261ABKMD-G3K-T2 S-8261ABLBD-G3L-TF S-8261ABMMD-G3M-T2 S-8261ABNMD-G3N-T2 S-8261ABOBD-G3O-TF S-8261ABPMD-G3P-T2 S-8261ABRMD-G3R-T2 S-8261ABSMD-G3S-T2 Remark It is possible to change the detection voltages of the product other than above ...
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... VM (Overcurrent detection pin) FET gate control pin for discharge 3 DO (CMOS output) 4 VSS Negative power input pin 5 DP Test pin for delay time measurement 6 VDD Positive power input pin Seiko Instruments Inc. S-8261 Series Table 2 Pin description Table 3 Pin description 7 ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Absolute Maximum Ratings Parameter Input voltage between VDD and VSS Input pin voltage for VM Output pin voltage for CO Output pin voltage for DO Power dissipation SOT-23-6 6-pin SNB(B) Operating temperature range Storage temperature range 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. Even pulse (µ ...
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... 1 100 300 = 1 1.2 S-8261 Series Test Max. Unit circuit +0.025 V CU +0.030 +0.025 +0.050 +0.050 V IOV1 ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series 2. Except Detection Delay Time (−40 to +85 °C Parameter [DETECTION VOLTAGE] Overcharge detection voltage = 3 4 Step V CU Overcharge hysteresis voltage = 0 0 Step V HC Overdischarge detection voltage = 2 3 Step V DL Overdischarge hysteresis voltage = 0 ...
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... Rev.1.9 _00 3. Detection Delay Time S-8261AAG, S-8261AAH, S-8261AAJ, S-8261AAL, S-8261AAM, S-8261AAN, S-8261AAO, S-8261AAP, S-8261AAR, S-8261AAZ, S-8261ABB, S-8261ABC, S-8261ABE, S-8261ABJ, S-8261ABK, S-8261ABM, S-8261ABN, S-8261ABO, S-8261ABP, S-8261ABR, S-8261ABS Parameter [DELAY TIME] 25 °C Overcharge detection delay time Overdischarge detection delay time Overcurrent 1 detection delay time ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series S-8261AAU, S-8261AAX, S-8261ABA Parameter [DELAY TIME] 25 °C 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 [DELAY TIME] −40 °C to +85 °C ...
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... 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. S-8261ABG, S-8261ABI, S-8261ABL Parameter [DELAY TIME] 25°C Overcharge detection delay time Overdischarge detection delay time ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series S-8261ABH Parameter [DELAY TIME] 25°C 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 [DELAY TIME] −40°C to +85°C Overcharge detection delay time ...
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... VDD pin (I OPE ) is the current that flows through the VDD pin (I PDN Seiko Instruments Inc. S-8261 Series ) and DO pin (V CO goes from “H” to “L” when the voltage V1 CO goes from “H” to ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series (6) Test Condition 6, Test Circuit 3 〈〈 Internal Resistance between VM and VDD, Internal Resistance between VM and VSS 〉〉 The resistance between VM and VDD (R conditions 1.8 V and The resistance between VM and VSS (R conditions 3.5 V and V2 = 1.0 V. ...
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... Figure 5 Seiko Instruments Inc defined as the voltage between VDD and VSS VDD V1 S-8261 series VSS COM Test Circuit 2 VDD V1 S-8261 series VSS COM Test Circuit 4 S-8261 Series ...
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... Remark Refer to the “Battery Protection IC Connection Example”. 1. Normal Condition The S-8261 Series monitors the voltage of the battery connected between VDD pin and VSS pin and the voltage difference between VM pin and VSS pin to control charging and discharging. When the battery ...
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... S-8261 Series turns the discharging control 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 IC (R the VM and VDD then is 1 ...
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... S-8261 Series turns the discharging 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 ...
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... V battery charge inhibition battery voltage (V Caution Some battery providers do not recommend charging for completely self-discharged battery. Please ask battery providers before determining the 0 V battery charging function. BATTERY PROTECTION IC FOR SINGLE-CELL PACK ) or higher, charging can be performed. 0INH Seiko Instruments Inc. S-8261 Series ) or lower, 0INH 21 ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Operation Timing Chart 1. Overcharge and Overdischarge Detection –V Battery CU HC voltage pin pin pin V IOV1 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 ...
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... In case VM pin voltage < V Overdischarge is released at the overdischarge Overdischarge detection delay time ( detection voltage (V (1) (3) Figure 9 Overdischarge detection delay time ( (1) (3) (1) Figure 10 Seiko Instruments Inc. S-8261 Series CHA ) DL (1) Abnormal charging current detection delay time ( = Overcharge detection delay time ( (2) (1) 23 ...
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... Be sure to connect a capacitor of 0.022 µF or higher to C1. detected. * has a resistance higher than 4 kΩ, the charging current may not be cut when a high-voltage charger is connected VDD 470 Ω C1 S-8261 Series 0.1 µF VSS DO CO FET2 FET1 Figure 11 Table 14 Constant for External Components Typ ...
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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. S-8261 Series 25 ...
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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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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK Current consumption vs. temperature in power-down mode 50 75 100 [V] Overcharge release delay time vs. temperature 50 75 100 50 75 100 Seiko Instruments Inc. 0.10 0.08 0.06 0.04 0.02 0 −50 − [° −50 − [°C] S-8261 Series 75 100 75 100 27 ...
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... BATTERY PROTECTION IC FOR SINGLE-CELL PACK S-8261 Series Overcurrent 1 detection delay time vs. temperature −50 − [°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 ...
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... V DO BATTERY PROTECTION IC FOR SINGLE-CELL PACK CO pin sink current characteristics [V] DO pin sink current characteristics = 1 [V] Seiko Instruments Inc 0.5 0.4 0.3 0 0.5 0.4 0.3 0 [V] DO S-8261 Series ...
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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 ...