s-8264aak-i8t1g Seiko Instruments Inc., s-8264aak-i8t1g Datasheet
s-8264aak-i8t1g
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s-8264aak-i8t1g Summary of contents
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... V to 4. steps) • Overcharge hysteresis voltage −0.52 ±0.21 V, −0.39 ±0.16 V, −0.26 ±0.11 V, −0.13 ±0.06 V, None (2) Delay times for overcharge detection can be set by an internal circuit only (external capacitors are unnecessary) (3) Output control function via CTL pin (S-8264A Series) (4) ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) S-8264A/B Series Block Diagrams (1) S-8264A Series VDD SENSE VC1 VC2 VC3 VSS CTL Remark The diodes in the figure are parasitic diodes. 2 Overcharge detection comparator 1 + − Reference voltage 1 Overcharge detection comparator 2 + − Reference voltage 2 ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.2.4 _00 (2) S-8264B Series VDD SENSE VC1 VC2 VC3 VSS CTL Remark The diodes in the figure are parasitic diodes. Overcharge detection comparator 1 + − Reference voltage 1 Overcharge detection comparator 2 + − Reference voltage 2 Control Overcharge ...
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... S-8264AAF-I8T1G 4.30 ±0.025 V S-8264AAG-I8T1G S-8264AAH-I8T1G 4.40 ±0.025 V 4.40 ±0.025 V S-8264AAI-I8T1G 4.45 ±0.025 V S-8264AAJ-I8T1G S-8264AAK-I8T1G 4.35 ±0.025 V Remark Please contact our sales department for the products with detection voltage value other than those specified above. Overcharge Detection Product Name / Item Voltage [V S-8264AAA-T8T1G 4.45 ± ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.2.4 _00 Pin Configurations SNT-8A Top view VDD SENSE 2 7 CTL 3 VSS VC1 VC2 VC3 Figure 3 8-Pin TSSOP Top view VDD 1 8 SENSE 2 7 VC1 3 6 VC2 4 5 Figure 4 Pin No. ...
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... Board size : (2) 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 5 Power Dissipation of Package (When Mounted on Board) 6 Table 6 ...
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... Since products are not screened at high and low temperature, the specification for this temperature range is guaranteed by design, not tested in production. *2. −0.39 ±0.16 V, −0.26 ±0.11 V, −0.13 ±0. none, except for −0.52 V hysteresis product circuits. The overcharge release voltage is the total of the overcharge detection voltage (V ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) S-8264A/B Series 2. Detection Delay Time (1) S-8264AAA, S-8264AAB, S-8264AAC, S-8264AAE, S-8264AAH, S-8264BAA, S-8264BAB Item Symbol DELAY TIME Overcharge detection delay t CU time Overcharge timer reset t TR delay time Overcharge release delay t CL time CTL pin response time ...
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... V5 becomes when CO becomes “L”. (5) Test Condition 5, Test Circuit 3 After setting V1, V2, V3, and V4 to 3.5 V and moment of time (within 10 µs) increase 8.5 V and decrease V5 again down When the period from when V5 was raised to when it has fallen is short ...
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... Test Condition 9, Test Circuit 6 Set SW1 to OFF and SW2 to ON. The CO pin sink current (I to 0.5 V. Set SW1 and SW2 to OFF. Set V1 to V5, set V2, V3, and V4 to 3.0 V, and set V5 to 0.5 V. After t SW1 to ON and SW2 to OFF the CO pin source current (I 10 ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.2.4 _00 S-8264A/B Series VDD CO SENSE CTL V1 VC1 VSS V2 VC2 VC3 V3 Test Circuit 1 S-8264A/B Series VDD CO V5 SENSE CTL V1 VC1 VSS V2 VC2 VC3 V3 Test Circuit 3 S-8264A/B Series VDD SENSE CTL VC1 ...
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... CU longer, the overcharge status is released; however, CO stays at “H”. When the CTL pin is switched from “L” to “H”, CO becomes “L”. 2. Overcharge Timer Reset When an overcharge release noise that forces the voltage of the battery temporarily below the overcharge detection ...
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... CL *1. The reverse voltage “H” to “L” or “L” to “H” of CTL pin is VDD pin voltage − 2.8 V (Typ.), does not have the hysteresis. Caution 1. Since the CTL pin implements high resistance of 8 MΩ MΩ for pull down, be careful of external noise application external noise is applied, CO may become “ ...
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... The test mode can be set by retaining the VDD pin voltage 8 more higher than the SENSE pin voltage for at least °C). The status is retained by the internal latch and the test mode is retained even if the VDD pin voltage is decreased to the same voltage as that of the SENSE pin. ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.2.4 _00 Timing Charts Operation 1. Overcharge Detection (1) S-8264A Series V HCn V CUn Battery voltage ( CTL pin CO pin t (2) S-8264B Series V HCn V CUn Battery voltage ( CTL pin CO pin shorter ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) S-8264A/B Series 2. Overcharge Timer Reset Operation V CUn Battery voltage ( pin 16 V HCn longer TR shorter shorter Timer reset Figure 11 Seiko Instruments Inc shorter Rev.2.4 _00 ...
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... Set C4, and C satisfied the S-8264A Series, normally input “H” to the external input, and input “L” when setting CO to “H”. In the S-8264B Series, normally input “L” to the external input, and input “H” when releasing the latch that maintains CO at “ ...
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... Set C3, and C satisfied the S-8264A Series, normally input “H” to the external input, and input “L” when setting CO to “H”. In the S-8264B Series, normally input “L” to the external input, and input “H” when releasing the latch that maintains CO at “ ...
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... Set R1, R2, C1, C2, and C satisfied the S-8264A Series, normally input “H” to the external input, and input “L” when setting CO to “H”. In the S-8264B Series, normally input “L” to the external input, and input “H” when releasing the latch that maintains CO at “H” after overcharge detection. ...
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... CO detection pulses when the batteries are connected. Perform thorough evaluation with the actual application circuit. • In the S-8264B Series, “H” may be output at CO after all the pins are connected. In this case, set the CTL pin from “L” to “H”. ...
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... A pull-down resistor is included in the CTL pin. To perform overheat protection via the PTC in the S-8264A Series, connect the PTC before connecting batteries. 3. When the power fluctuation is large, connect the power supply of the PTC to the VDD pin of the S-8264A Series. 4. Since “H” may be output at CO transiently when the battery is being connected, connect the positive terminal of BAT1 last in order to prevent the three terminal protection fuse from cutoff ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) S-8264A/B Series Characteristics (Typical Data) 1. Detection Voltage vs. Temperature (1) Overcharge Detection Voltage vs. Temperature 4.40 4.35 4.30 4.25 4.20 −40 − [°C] 2. Current Consumption vs. Temperature (1) Current Consumption during Normal Operation vs. Temperature 4.0 3.0 2.0 1.0 0.0 −40 − [°C] 3. Delay Time vs. Temperature (1) Overcharge Detection Delay Time vs. Temperature 6 ...
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... BATTERY PROTECTION IC FOR 2-SERIAL TO 4-SERIAL-CELL PACK (SECONDARY PROTECTION) Rev.2.4 _00 4. Output Current vs. Temperature (1) CO Pin Sink Current vs 10.0 7.5 5.0 2 CTL Pin vs. Temperature (1) CTL Pin Threshold Voltage vs. Temperature 12.0 11.5 11.0 10.5 10.0 −40 − [°C] (2) CO Pin Source Current vs °C ...
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... Product name vs. Product code Product name S-8264AAA-I8T1G S-8264AAB-I8T1G S-8264AAC-I8T1G S-8264AAD-I8T1G S-8264AAE-I8T1G S-8264AAF-I8T1G S-8264AAG-I8T1G S-8264AAH-I8T1G S-8264AAI-I8T1G S-8264AAJ-I8T1G S-8264AAK-I8T1G (2) 8-Pin TSSOP 8-Pin TSSOP Top view 1 (1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) (12) (13) (14) 4 Product name vs. Function code Product name S-8264AAA-T8T1G S-8264AAB-T8T1G 24 (1) ...
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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 ...