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BQ2013HSN Datasheet(PDF) 6 Page - Texas Instruments |
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BQ2013HSN Datasheet(HTML) 6 Page - Texas Instruments |
6 / 24 page Example: Selecting a PFC Value Given: Sense resistor = 0.0075 Ω Number of cells = 14 Capacity = 5000mAh, NiCd cells Current range = 1A to 30A Relative display mode with 4 second timer Self-discharge = 1% per day Trickle charge compensation = 0.85 Typical offset = -75 µV Voltage drop across sense resistor = 5mV to 150mV Therefore: 5000mAh * 0.0075Ω = 37.5mVh Select: PFC = 448000 counts or 35mVh PROG1, PROG2 =Z, L PROG3 =Z PROG4 =H PROG5 =L PROG6 =Z 6 bq2013H Programmed Full Count (PFC) mVh Scale PROG1 PROG2 27136 84.8 1 320 HH 24064 75.2 1 320 HZ 41472 64.8 1 640 HL 35072 54.8 1 640 ZH 28672 44.8 1 640 ZZ 44800 35 1 1280 ZL 30720 24 1 1280 LH 38400 15 1 2560 LZ 12800 5 1 2560 LL Table 2. bq2013H Programmed Full Count mVh Selections PROG3 Self-Discharge H 1.6% per day Z 0.8% per day L 0.2% per day Table 3. Programmed Self-Discharge |
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