1/4 Structure Silicon Monolithic Integrated Circuit Product Power Management LSI for Multimedia LSI on Cellular Type BH6173GUL 2 Functions 1ch 500mA, high efficiency Step-down Converter. (16 steps adjustable Vout by I C) 2 3-channel CMOS-type LDOs. (16 steps adjustable Vout by I C) LDO and Stepdown converter Power ON/OFF control enabled by I2C interface 2 I C compatible Interface. (Selectable device address is 1001010and 1001111) Wafer Level CSP package(2.05mm2.05mm) for space-constrained applications. Absolute Maximum RatingsTa=25C Parameter Symbol Rating Unit Maximum Supply Voltage (VBAT1,PVCC, PBAT) VBATMAX 6.0 V Maximum Supply Voltage (VIO) VIOMAX 4.5 V Maximum Input Voltage 1 VINMAX1 VBAT + 0.3 V (LX, FB, OUT1, OUT2, OUT3, ADRS) Maximum Input Voltage 2 VINMAX2 VIO + 0.3 V (NRST, CLK, DATA) 1 Power Dissipation Pd 690* mW Operating Temperature Range Topr -35 +85 Storage Temperature Range Tstg -55 +125 *1 This is the allowable loss of when it is mounted on a ROHM specification board 50mm58mm. To use at temperature higher than 25C , derate 1% per 1C. Recommended Operating Conditions (Ta=25C) Parameter Symbol Range Unit 2 VBAT, PBAT Voltage VBAT * 2.20 5.20 V 3 VIO Voltage VIO * 1.70 4.20 V *2 Whenever the VBAT, PVCC and PBAT voltage is under the LDO, SWREG output voltage, the LDO and SWREG output is not guaranteed to meet its published specifications. *3 The VIO Voltage must be under the Battery Voltage VBAT, PBAT at any times. *This product is not especially designed to be protected from radioactivity. REV. B 2/4 Overview Dimensions (VCSP50L2) Ball Descriptions Ball No. PIN Name 1PIN MARK Lot. No. B2 DATA C3 CLK D3 VBAT1 D1 PVCC A1 PBAT 6173 A2 LX A3 PGND A4 FB C2 NRST 2.050.05 C1 OUT1 D2 OUT2 D4 OUT3 C4 REFC B1 VIO B4 GND S B3 ADRS 0.06 S 16-0.250.05 0.05 A B A D C B (0.15)INDEX POST B A 1 2 3 4 0.2750.05 P=0.53 Unit (mm) Block Diagram VIO DATA CLK I2C IF ADRS init 1.80V LDO1 OUT1 NRST 300mA 1.00-3.30V 0.1V step PBAT init 2.80V OUT2 LDO2 300mA 1.00-3.30V LX 0.1V step SWREG 0.80-2.40V PGND init 1.00V init 2.80V FB LDO3 OUT3 500mA 300mA 1.20-3.30V 0.1V step REFC REF REV. B 0.10.05 2.050.05 0.55MAX P=0.53 0.2750.05 GND VBAT1 PVCC