BH6172GU_11 ROHM [Rohm], BH6172GU_11 Datasheet
BH6172GU_11
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BH6172GU_11 Summary of contents
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Power Management ICs for Mobile Phones System Regulator with High Efficiency DC/DC Converters BH6172GU ●Descriptions BH6172GU incorporates 1 DCDC+ 5 Linear LDO regulators integrated in a small 2.6mm×2.6mm size package, with 16 steps adjustable Vo’s for every channel, ...
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BH6172GU ●Recommended Operating Conditions (Ta=25℃) Parameter VBAT Voltage PBAT Voltage VUSB Voltage DVDD Voltage *2 Whenever the VBAT or PBAT or VUSB voltage is under the LDO, SWREG output voltage, or else under certain levels, the LDO and SWREG output ...
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BH6172GU ●Electrical Characteristics (Unless otherwise specified, Ta=25℃, VBAT=PBAT =3.6V, VUSB=5.0V, DVDD=2.6V) Parameter Logic pin character Input “H” level NRST Input (CMOS input) “L” level Input leak current Input EN_LD1, “H” level EN_LD2, Input EN_LD3, “L” level EN_LD4 Input leak (NMOS ...
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BH6172GU ●Electrical Characteristics (Unless otherwise specified, Ta=25℃, VBAT=PBAT =3.6V, VUSB=5.0V) Parameter LDO1 Output Voltage Output current Dropout Voltage VOM1DP Input Voltage Stability Load Stability Ripple rejection ratio Short circuit current Output Capacitor LDO2 Output Voltage Output current Dropout Voltage VOM2DP ...
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BH6172GU ●Electrical Characteristics (Unless otherwise specified, Ta=25℃, VBAT=PBAT =3.6V, VUSB=5.0V) Parameter LDO4 Output Voltage Output current Dropout Voltage VOM4DP Input Voltage Stability Load Stability Ripple rejection ratio Short circuit current Output Capacitor LDO5 Output Voltage Output current Dropout Voltage VOM5DP ...
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BH6172GU ●SWREG & LDOs Output Voltage table Parameter Usage example SWREG CORE LDO1 CORE LDO2 I/O1 LDO3 MEMORY LDO4 I/O2 LDO5 USB Parameter SWREG 0.80V 0.85V 0.90V 0.95V 1.00V 1.05V 1.10V 1.15V Programmable Output Voltages 1.20V 1.365V 1.40V 1.50V 1.65V ...
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BH6172GU ●Block diagram, Ball matrix 4.7µF DVDD DATA I2C IF CLK NRST PBAT 4.7µF LX SWREG 2.2µH 4.7µF 0.8-2.40V PGND 500mA init 1.00V FB (OPEN) TEST (OPEN) TEST2 REFC REF 0.1µF Fig.1 Block diagram ●Pin description Ball No. PIN Name ...
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BH6172GU 2 C Bus Interface ●I 2 The I C compatible synchronous serial interface provides access to programmable functions and register on the device. This protocol uses a two-wire interface for bi-directional communications between the LSI’s connected to the bus. ...
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BH6172GU 2 C Bus AC specification ●I Characteristics CLK clock frequency CLK clock “low” time CLK clock “high” time Bus free time Start condition hold time Start condition setup time Data input hold time Data input setup time Stop condition ...
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BH6172GU 2 C Register information ●I ○REGCNT(SWREGON, LDO*ON) Control each SWREG, LDO OFF ○SWADJ(SWREGADJ[3:0]) Change SWREG output voltage by 16 steps. “0000” 0.80V “1111” 2.40V ○LDOADJ*(LDO*ADJ[3:0]) Change LDO1～5 output voltage by 16 steps. “0000” 1.00V(LDO1, 2), 1.20V(LDO3, 4, ...
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BH6172GU ●Reference data(ICC) ICC(OFF) VUSB=5. 0.5 1 1.5 2 2.5 3 3.5 VBAT [V] ICC(STBY) VBAT=VUSB short ...
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BH6172GU ●Reference data(Output stability) 4 LDO1 Load Regulation 1.20V 3.5 3 2.5 2 1 100 150 IO [mA] 4 LDO4 Load Regulation 1.80V 3.5 3 2.5 2 1 100 200 300 ...
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BH6172GU ●Reference data(Load transient response) LDO1 IO LDO1 LDO3 IO LDO3 LDO5 IO LDO5 ●Reference data(Rise time) LDO1 EN_LD1 LDO1 LDO3 EN_LD3 LDO3 www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved LDO1 LDO2 IO IO LDO3 LDO4 ...
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BH6172GU ●Reference data(VBAT line transient response) LDO1 VBAT LDO1 LDO4 VBAT LDO4 www.rohm.com © 2011 ROHM Co., Ltd. All rights reserved. LDO2 VBAT LDO2 LDO5 VUSB LDO5 14/16 Technical Note LDO3 VBAT LDO3 2011.03 - Rev.A ...
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BH6172GU ●Notes for use (1) Absolute maximum ratings If applied voltage (VBAT, VADP, VUSB), operating temperature range (Topr), or other absolute maximum ratings are exceeded, there is a risk of damage. Since it is not possible to identify short, open, ...
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BH6172GU ●Ordering part number Part No. Part No. VCSP85H2 (BH6172GU) 1PIN MARK 2.60±0.05 0.06 S 24- φ 0.3±0.05 0. φ 0.15)INDEX POST ...
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No copying or reproduction of this document, in part or in whole, is permitted without the consent of ROHM Co.,Ltd. The content specified herein is subject to change for improvement without notice. The content specified herein is for the purpose ...