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BD49101ARFS-M Datasheet(PDF) 2 Page - Rohm |
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BD49101ARFS-M Datasheet(HTML) 2 Page - Rohm |
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2 / 45 page  2/41 TSZ02201-0V3V0AP00090-1-2 © 2016 ROHM Co., Ltd. All rights reserved. 20.Sep.2016 Rev.001 www.rohm.com TSZ22111・15・001 BD49101ARFS-M Pin Configuration ADJ5 EN REG4EN ECO BSENS REG4OCB SDA SCL SYNC GND1 RT GND2 VOUT3 ADJ3 VIN3 VIN4 CLCAL VOCAL VOUT4 INV1 FB1 ADJ4 VOUT5 VIN0 BCAP VINSW N.C. HSW GND4 SW2 FB2 INV2 VOUT0 ADJ2 GATE1 SNSL SNSH VIN2 GND3 VOUT2 VIN1 ADJ1 VOUT1 N.C. Pin Description Pin NO Symbol Function Pin NO Symbol Function 1 GATE1 DCDC1 outside FET gate drive 23 ADJ5 REG5 output voltage adjustment 2 SNSL DCDC1 current detection 24 EN Enable 3 SNSH DCDC1 current detection 25 REG4EN REG4 Enable 4 VIN2 Power supply for built-in FET REG2 26 ECO Low power mode switch 5 N.C. － 27 BSENS Error flag output 6 GND3 Ground 28 REG4OCB Error flag output 7 VOUT2 REG2 voltage output 29 SDA I 2C-bus data input 8 ADJ2 REG2 output voltage adjustment 30 SCL I 2C-bus clock input 9 VOUT1 REG1 voltage output 31 SYNC External synchronization signal input 10 ADJ1 REG1 output voltage adjustment 32 GND1 Ground 11 VIN1 Power supply for built-in FET REG1 33 RT Oscillator frequency setting 12 VOUT0 STBREG voltage output 34 GND2 Ground 13 INV2 DCDC2 Error Amp Input 35 VOUT3 REG3 voltage output 14 FB2 DCDC2 Error Amp output 36 ADJ3 REG3output voltage adjustment 15 SW2 DCDC2 switching output 37 VIN3 Power supply for built-in FET REG3 16 GND4 Ground 38 VIN4 Power supply for built-in FET REG4 17 HSW High side switch output 39 CLCAL REG4 over current protection setting 18 N.C. － 40 VOCAL REG4 output USB cable impedance calibration setting 19 VINSW Power supply for high side switch 41 ADJ4 REG4 output voltage adjustment 20 BCAP Back-up capacity connection pin 42 VOUT4 REG4 voltage output 21 VIN0 Battery power supply connection pin 43 INV1 DCDC1 Error Amp Input 22 VOUT5 REG5 voltage output 44 FB1 DCDC1 Error Amp output “N.C” pins are not connected into internal circuits. Figure 1. Pin Configuration(s) |
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