S-8241ACFMC-GCFT2G Seiko Instruments, S-8241ACFMC-GCFT2G Datasheet
S-8241ACFMC-GCFT2G
Specifications of S-8241ACFMC-GCFT2G
Related parts for S-8241ACFMC-GCFT2G
S-8241ACFMC-GCFT2G Summary of contents
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... The overdischarge hysteresis is released by detecting a negative VM pin voltage (typ. −1.3 V) (Charger detection function). • If the output voltage at DO pin is high and the VM pin voltage becomes equal to or lower than the charger detection voltage (typ. −1.3 V), the output voltage at CO pin goes low (Abnormal charge current detection function). ...
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... Block Diagram VDD − + Overcharge detection comparator + − The overdischarge hysterisis is released when a charger is detected. VSS Remark The diodes in the IC are parasitic diodes. 2 Delay circuit Clock generation circuit Counter circuit Overdischarge detection comparator Charger detection circuit Figure 1 Seiko Instruments Inc. Load short- ...
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... Rev.9.0 _00 Product Name Structure 1. Product Name S-8241A xxx xx x *1. Refer to the tape specifications. *2. Refer to the “3. Product Name List”. 2. Package Package name Package SOT-23-5 MP005-A-P-SD SNT-6A PG006-A-P-SD BATTERY PROTECTION IC FOR 1-CELL PACK Environmental code U : Lead-free (Sn 100%), halogen-free G : Lead-free (for details, please contact our sales office) ...
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... BATTERY PROTECTION IC FOR 1-CELL PACK S-8241 Series 3. Product Name List (1) SOT-23-5 Over- charge detection Product Name / Item voltage [ S-8241ABAMC-GBAT2x 4.275 V S-8241ABBMC-GBBT2x 4.280 V S-8241ABCMC-GBCT2x 4.350 V S-8241ABDMC-GBDT2x 4.275 V S-8241ABEMC-GBET2x 4.295 V S-8241ABFMC-GBFT2x 4.325 V S-8241ABGMC-GBGT2x 4.200 V S-8241ABHMC-GBHT2x 4.325 V S-8241ABIMC-GBIT2x 4.280 V S-8241ABKMC-GBKT2x 4.325 V S-8241ABLMC-GBLT2x 4.320 V S-8241ABOMC-GBOT2x 4 ...
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... S-8241AEEMC-GEET2x 4.200 V *1. Refer to the Table 3 about the details of the delay time combinations (1) to (6). Remark 1. Please contact our sales office for the products with detection voltage value other than those specified above Please select products of environmental code = U for Sn 100%, halogen-free products. ...
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... S-8241ADHPG-KDHTFx 4.250 V *1. Refer to the Table 3 about the details of the delay time combinations (1) to (6). Remark 1. Please contact our sales office for the products with detection voltage value other than those specified above Please select products of environmental code = U for Sn 100%, halogen-free products. ...
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... Remark The delay times can be changed within the range listed Table 4. For details, please contact our sales office. Delay time Overcharge detection delay time Overdischarge detection delay time Overcurrent 1 detection delay time Remark The value surrounded by bold lines is the delay time of the standard products. ...
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... VSS Negative power input pin 5 VDD Positive power input pin Voltage detection pin between VM and VSS 6 VM (Overcurrent detection pin) *1. The NC pin is electrically open. The NC pin can be connected to VDD or VSS. Seiko Instruments Inc. Rev.9.0 Table 5 Description Table 6 Description _00 ...
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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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... VMD and VDD Internal resistance between VM R VMS and VSS 0 V BATTERY CHARGING FUNCTION The 0 V battery function is either "0 V battery charging function" or "0 V battery charge inhibiting function" depending upon the product type battery charge starting charger V 0CHA voltage 0 V battery charge inhibiting ...
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... V battery charge starting charger V 0CHA voltage 0 V battery charge inhibiting V 0INH battery voltage *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. BATTERY PROTECTION IC FOR 1-CELL PACK *1 ) Table 9 Condition ⎯ ...
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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 temperature, the specification for this temperature range is guaranteed by design, not tested in production. 12 Table 10 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 temperature, the specification for this temperature range is guaranteed by design, not tested in production. (4) S-8241ABR, S-8241ACD Item DELAY TIME (Ta = 25°C) ...
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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 temperature, the specification for this temperature range is guaranteed by design, not tested in production. (6) S-8241AEE Item DELAY TIME (Ta = 25°C) ...
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... V2 is gradually increased from the normal condition V1 = 3.5 V and The overcurrent 2 detection voltage (V “H” when the voltage V2 is increased at the speed between 1 ms and 4 ms from the normal condition V1 = 3.5 V and The load short-circuiting detection voltage (V “ ...
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... V2 becomes overcurrent 1 detection voltage ( IOV1 Set V1 = 3.5 V and under normal condition. Increase V2 from 0.7 V momentarily (within 1 μs). The time after V2 becomes overcurrent 1 detection voltage (V Caution The overcurrent 2 detection delay time starts when the overcurrent 1 is detected, since the delay circuit is common. ...
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... Test Condition 11, Test Circuit 1 (Product with 0 V battery charge inhibiting function battery charge inhibiting battery voltage) Set and Increase V1 gradually. The voltage between VDD and VSS at which V 0 higher) is the 0 V battery charge inhibiting battery voltage (V BATTERY PROTECTION IC FOR 1-CELL PACK ) ...
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... Overcurrent Status When the discharging current becomes equal to or higher than a specified value (the VM pin voltage is equal to or higher than the overcurrent detection voltage) during discharging under normal status and the state continues for the overcurrent detection delay time or longer, the S-8241 turns the discharging control FET off to stop discharging ...
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... IC does not return to the normal status until the battery voltage drops below the overcharge detection voltage (V ) even if the load is connected. In addition if the VM pin voltage is equal to or lower than the overcurrent 1 CU detection voltage when a load is connected and discharging starts, the IC does not return to the normal status. ...
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... VMD The power-down status is released when a charger is connected and the potential difference between VM and VDD becomes 1.3 V (typ.) or higher (load short-circuiting detection voltage). At this time, the FET is still off. When the battery voltage becomes the overdischarge detection voltage (V normal status from the overdischarge status. ...
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... This action is called abnormal charge current detection. Abnormal charge current detection works when the discharging control FET is on (DO pin voltage is “H”) and the VM pin voltage drops below the charger detection voltage (V overdischarge status, the S-8241 consequently turns the charging control FET off and stops charging after the battery voltage becomes the overdischarge detection voltage or higher (DO pin voltage becomes “ ...
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... V or lower). 3. When a battery is connected to the IC for the first time, the IC may not enter the normal status in which discharging is possible. In this case, set the VM pin voltage equal to the V the VM and VSS pins or connect a charger) to enter the normal status. ...
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... IOV1 CHA Charger connected Load connected Overcharge detection delay time (t Status Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status The charger is assumed to charge with a constant current. BATTERY PROTECTION IC FOR 1-CELL PACK ) Overdischarge detection delay time (t CU (1) (1) (2) Figure 7 ) Overdischarge detection delay time (t ...
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... Charger connection Load connection Mode Status Note: (1) Normal mode, (2) Overcharge mode, (3) Overdischarge mode, (4) Overcurrent mode Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status The charger is assumed to charge with constant current. The charger is assumed to charge with constant current Overcurrent 2 detection delay time (t ...
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... Overdischarge detection delay time (t Status Mode Note: (1) Normal mode, (2) Overcharge mode, (3) Overdischarge mode, (4) Overcurrent mode Remark (1) : Normal status, (2) : Overcharge status, (3) : Overdischarge status, (4) : Overcurrent status The charger is assumed to charge with constant current. The charger is assumed to charge with constant current. BATTERY PROTECTION IC FOR 1-CELL PACK ...
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... C1 capacity is increased. Set the C1 capacity by evaluating the actual application. * set to less than 300 Ω, a current which is bigger than the power dissipation flows through the IC and the IC may break when a charger is connected reversely resistor bigger than 1.3 kΩ is installed as R2, the charging current may not be cut when a high-voltage charger is connected ...
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... Precautions • Pay attention to the operating conditions for input/output voltage and load current so that the power loss in the IC does not exceed the power dissipation of the package. • Do not apply an electrostatic discharge to this IC that exceeds the performance ratings of the built-in electrostatic protection circuit. • ...
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... Overdischarge detection voltage vs. temperature 2.40 2.36 2.32 2.28 2.24 2.20 -50 - Ta(°C) Overcurrent 1 detection voltage vs. temperature 0.110 0.105 0.100 0.095 0.090 -50 - Ta(°C) 2. Current consumption temperature characteristics Current consumption vs. Temperature in normal mode -50 - Ta(°C) 28 Overcharge release voltage vs. temperature 4.23 4.21 4.19 4.17 4.15 4. 100 -50 Overdischarge release voltage vs ...
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... Rev.9.0 _00 3. Current consumption Power voltage characteristics (Ta = 25°C) Current consumption − power supply volatge dependency ( Detection/release delay time temperature characteristics Overcharge detection delay time vs. temperature 2.0 1.5 1.0 0.5 0.0 -50 - Ta(°C) Overdischarge detection delay time vs. temperature 250 200 150 ...
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... Ta(°C) 5. Delay time power-voltage characteristics (Ta = 25°C) Overcurrent 1 detection delay time vs. power supply voltage dependency 2.0 2.5 3.0 3 pin/DO pin output current characteristics (Ta = 25°C) CO pin source current characteristics -1.4 -1.2 -1.0 -0.8 -0.6 -0.4 -0.2 0 pin source current characteristics -1.8 -1 ...
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... 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. ...