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S-8233CAFT-TB-G Datasheet(PDF) 8 Page - Seiko Instruments Inc |
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S-8233CAFT-TB-G Datasheet(HTML) 8 Page - Seiko Instruments Inc |
8 / 26 page BATTERY PROTECTION IC FOR 3-SERIAL-CELL PACK S-8233C Series Rev.4.0_00 Seiko Instruments Inc. 8 (7) Measurement 7 Measurement circuit 4 Set S1 to ON, S2 to OFF, V1, V2, and V3 to 3.5 V, and V4 to 0 V under normal condition. Increase V5 from 0 V gradually. The V5 voltage when I5 = 10 µA is DOP'L' voltage (VDO (L)). Set S1 to OFF, S2 to ON, V1, V2, V3 to 3.5 V, and V4 to VIOV2+0.1 V under over current condition. Increase V6 from 0 V gradually. The V6 voltage when I6 = 10 µA is the DOP'H' voltage (VDO (H)). (8) Measurement 8 Measurement circuit 5 Set V1, V2, V3 to 3.5 V and V4 to 0 V under normal condition. Increase V5 from 0 V gradually. The V5 voltage when I5 = 10 µA is the COP'L' voltage (VCO (L)). (9) Measurement 9 Measurement circuit 6 Set V1, V2, V3 to 3.5 V under normal condition. Increase V1 from 3.5 V to 4.5 V immediately (within 10 µs). The time after V1 becomes 4.5 V until COP goes 'H' is the over charge detection delay time 1 (tCU1). Set V1, V2, V3 to 3.5 V under normal condition. Decrease V1 from 3.5 V to 1.9 V immediately (within 10 µs). The time after V1 becomes 1.9 V until DOP goes 'H' is the over discharge detection delay time 1 (tDD1). (10) Measurement 10 Measurement circuit 6 Set V1, V2, V3 to 3.5 V under normal condition. Increase V2 from 3.5 V to 4.5 V immediately (within 10 µs). The time after V2 becomes 4.5 V until COP goes 'H' is the over charge detection delay time 2 (tCU2). Set V1, V2, V3 to 3.5 V under normal condition. Decrease V2 from 3.5 V to 1.9 V immediately (within 10 µs). The time after V2 becomes 1.9 V until DOP goes 'H' is the over discharge detection delay time 2 (tDD2). (11) Measurement 11 Measurement circuit 6 Set V1, V2, V3 to 3.5 V under normal condition. Increase V3 from 3.5 V to 4.5 V immediately (within 10 µs). The time after V3 becomes 4.5 V until COP goes 'H' is the over charge detection delay time 3 (tCU3). Set V1, V2, V3 to 3.5 V under normal condition. Decrease V3 from 3.5 V to 1.9 V immediately (within 10 µs). The time after V3 becomes 1.9 V until DOP goes 'H' is the over discharge detection delay time 3 (tDD3). (12) Measurement 12 Measurement circuit 7 Set V1, V2, V3 to 3.5 V and S1 to OFF under normal condition. Increase V4 from 0 V to 0.55 V immediately (within 10 µs). The time after V4 becomes 0.55 V until DOP goes 'H' is the over current detection delay time 1 (tIOV1). Set V1, V2, V3 to 3.5 V and S1 to OFF under normal condition. Increase V4 from 0 V to 0.75 V immediately (within 10 µs). The time after V4 becomes 0.75 V until DOP goes 'H' is the over current detection delay time 2 (tIOV2) Set S1 to ON to inhibit over discharge detection. Set V1, V2, V3 to 4.0 V and increase V4 from 0 V to 6.0 V immediately (within 1 µs) and decrease V1, V2, and V3 to 2.0 V at a time. The time after V4 becomes 6.0 V until DOP goes 'H' is the over current detection delay time 3 (tIOV3). |
Similar Part No. - S-8233CAFT-TB-G |
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Similar Description - S-8233CAFT-TB-G |
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