S-8233AOFT-TB-G Seiko Instruments, S-8233AOFT-TB-G Datasheet
S-8233AOFT-TB-G
Specifications of S-8233AOFT-TB-G
Related parts for S-8233AOFT-TB-G
S-8233AOFT-TB-G Summary of contents
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... Seiko Instruments Inc., 1997-2010 The S-8233A Series is a series of lithium-ion rechargeable battery protection ICs incorporating high-accuracy voltage detection circuits and delay circuits suitable for a 3-serial-cell lithium-ion rechargeable battery pack. Features (1) Internal high-accuracy voltage detection circuit Overcharge detection voltage Overcharge release voltage (The overcharge release voltage can be selected within the range where a difference from overcharge detection voltage ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Block Diagram VCC CD1 VC1 CD2 VC2 CD3 VSS Remark The delay time for overcurrent detection 2 and 3 is fixed by an internal IC circuit. The delay time cannot be changed via an external capacitor. 2 Reference voltage 1 + − Battery 1 Overcharge + − ...
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... V S-8233ASFT-TB-x 4.25±0.05 V *1. Without overcharge detection hysteresis. Remark 1. Please contact our sales office for the products with the detection voltage value other than those specified above Please select products of environmental code = U for Sn 100%, halogen-free products. BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK ...
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... Connects battery 1 negative voltage and battery 2 positive voltage CD1 14 Battery 1 conditioning signal output connection Positive power input and connects battery 1 positive voltage 16 VCC *1. The NC pin is electrically open. The NC pin can be connected to VCC or VSS. Seiko Instruments Inc. Rev.6.0 Table 2 Description *1 *1 _00 ...
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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. Figure 3 Power Dissipation of Package (When Mounted on Board) ...
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... Overdischarge detection delay time 3 Overcurrent detection delay time 1 Overcurrent detection delay time 2 Overcurrent detection delay time 3 Operating voltage *5 Operating voltage between VCC and VSS Current consumption Current consumption (during normal operation) Current consumption for cell 2 Current consumption for cell 3 Current consumption at power down ...
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... V battery charging function 0 V charging start voltage *1. If overcurrent detection voltage 1 is 0.50 V, both overcurrent detection voltages 1 and 2 are 0.54 to 0.55 V, but V *2. Voltage temperature factor 1 indicates overcharge detection voltage, overcharge release voltage, overdischarge detection voltage, and overdischarge release voltage. ...
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... I1 is power-down current consumption (I (6) Test condition 6 Test circuit 3 Set S1 to ON, V1, V2, and V3 to 3.5 V, and V4 to 10.5 V under normal status. V4/I4 is the internal resistance between VCC and VMP (R Set S1 to ON, V1, V2, and V3 to 1.5 V, and V4 to 4.1 V under overdischarge status. (4.5-V4)/I4 is the ...
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... Rev.6.0 _00 (7) Test condition 7 Test circuit 4 Set OFF, V1, V2, and V3 to 3.5 V, and under normal status. Increase V5 from 0 V gradually. The V5 voltage when μA is DOP'L' voltage (V Set S1 to OFF ON, V1, V2 3.5 V, and from 0 V gradually. The V6 voltage when μA is the DOP'H' voltage (V (8) Test condition 8 Test circuit 5 Set V1, V2 ...
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... Increase V7 from 0 V gradually. The V7 voltage when μA is the CD3'L' voltage (V ). CD3(L) Set S1 to ON, S2, S3, S4, S5, and S6 to OFF 4 and V3 to 3.5 V and V5, V6, and under overcharge status. Increase V4 from 0 V gradually. The V4 voltage when I1 = 0.1 μA is the CD1'H' voltage (V ). ...
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... VC2 V3 CD3 VSS Test circuit DOP COP VCC V1 CD1 VC1 V2 S-8233A CD2 VC2 V3 CD3 VSS Test circuit 5 BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK 1 MΩ COP VMP CTL CCT CDT COVT S1 COP VMP CTL CCT CDT COVT V4 VMP CTL CCT CDT COVT Figure Seiko Instruments Inc ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series V4 1 MΩ DOP COP VCC V1 CD1 VC1 S-8233A CD2 0.47 μF VC2 C2 = 0.1 μ 0.1 μF V3 CD3 VSS Test circuit 7 DOP VCC V1 CD1 VC1 V2 S-8233A CD2 VC2 V3 CD3 VSS Test circuit 9 12 VMP CTL ...
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... When the discharging FET is off and a load is connected, the VMP pin voltage equals the V The overcurrent status returns to the normal status when the load is released and the impedance between the EB- and EB+ pins (see Figure 9) is 100 MΩ or higher. When the load is released, the VMP pin, which and the VCC pin are shorted with the R ...
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... If the CTL pin is floated under normal status pulled up to the V charging and discharging FETs turn off to inhibit charging and discharging. discharging are also inhibited by applying the VCC pin to the CTL pin externally. At this time, the VMP and VCC pins are shorted by the R When the CTL pin becomes equal to V their appropriate statuses for the battery voltages ...
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... Voltage temperature factor 1 indicates overcharge detection voltage, overcharge release voltage, overdischarge detection voltage, and overdischarge release voltage. Voltage temperature factor 2 indicates overcurrent detection voltage. The Voltage temperature factors 1 and 2 are expressed by the oblique line parts in Figure 5. Ex. Voltage temperature factor of overcharge detection voltage V ...
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... Charger connected Load connected Delay *1 Status <1> <5> <3> *1. <1>Normal status, <2>Overcharge status, <3>Overdischarge status, <4>Overcurrent status, <5>Power-down status Remark The charger is assumed to charge with a constant current battery V2 battery High-Z Delay <1> <2> <1> indicates the open voltage of the charger. CHA ...
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... Load connected Delay t IOV1 * Status <1> *1. <1>Normal status, <2>Overcharge status , <3>Overdischarge status, <4>Overcurrent status Remark The charger is assumed to charge with a constant current. V BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK High-Z High-Z Delay t IOV2 <4> <1> <4> indicates the open voltage of the charger. ...
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... The overcharge detection delay time (t and overcurrent detection delay time (t electrical characteristics pull-up resistor that turns FET-B off when the COP pin is opened. Connect a 100 kΩ MΩ resistor used to protect the IC if the charger is connected in reverse. Connect a 10 kΩ kΩ resistor. ...
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... VCC voltage (if a charger is connected), the normal status is entered. If the CTL pin floats in power-down mode not pulled up in the IC, charging and discharging may not be inhibited. However, the overdischarge status becomes effective. If the charger is connected, the CTL pin is pulled up, and charging and discharging are inhibited immediately ...
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... BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233A Series Characteristics (Typical Data) 1. Detection voltage temperature characteristics Overcharge detection voltage vs. temperature 4.35 4.25 4.15 -40 - [°C] Overdischarge detection voltage vs. temperature 2.45 2.35 2.25 -40 - [°C] Overcurrent1 detection voltage vs. temperature 0.35 0.30 0.25 -40 - [°C] 20 Overcharge release voltage vs. temperature ...
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... Rev.6.0 _00 2. Current consumption temperature characteristics Current consumption vs. temperature in normal mode -40 - [°C] 3. Delay time temperature characteristics Overcharge detection time vs. temperature 1.5 1.0 0.5 -40 - [°C] Overcurrent1 detection time vs. temperature -40 - [°C] BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK Current consumption vs. temperature in power-down mode 1.0 ...
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... Overcurrent3 (load short) detection time vs. temperature 0.40 0.25 0.10 -40 - [°C] 4. Delay time vs. power supply voltage Overcurrent 3 (load short) detection time vs. power supply voltage 1.0 0 Caution Please design all applications of the S-8233A Series with safety in mind 6 100 Ta = 25° [V] Seiko Instruments Inc. Rev.6.0 _00 ...
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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. ...