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STM1403ARNQ6F Datasheet(PDF) 8 Page - STMicroelectronics |
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STM1403ARNQ6F Datasheet(HTML) 8 Page - STMicroelectronics |
8 / 34 page Description STM1403 8/35 Figure 2. QFN16 connections Note: See Section 2: Pin descriptions on page 11 for details. 1. Normal mode: low when VOUT is internally switched to VCC and high when VOUT is internally switched to battery. 2. SAL, RST, PFO, and BLD are open drain. 3. VREF only for STM1403A; VTPU for STM1403B/C Figure 3. Block diagram 1. BAT54J (from STMicroelectronics) recommended 2. Required for battery-reverse charging protection 3. Open drain 4. VREF only for STM1403; VTPU for STM1403B/C 1 PFO(2) PFI TP1 (NH) BLD(2) MR RST(2) VCC VCCSW (1) VOUT VREF or VTPU (3) VBAT VSS AI09683 2 3 4 8 7 6 5 SAL(2) 9 10 11 12 13 14 15 16 TP2 (NL) TP3 (NH) TP4 (NL) AI09684 COMPARE @ POWER-UP VRST VINT VOUT VREF (4) 1.237V VREF Generator COMPARE COMPARE COMPARE COMPARE COMPARE trec Generator VPFI VBAT (1) VDET VHV VLV VSO VCC PFI TP1 (NH) TP2 (NL) TP3 (NH) TP4 (NL) MR RST (3) PFO (3) BLD (3) VCCSW SAL (3) VTPU (4) BAT54J (1,2) |
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