RT5028DGQW Richtek

RT5028D PMIC for Industrial Application General Description Features Input Voltage Operating Range is 3.3V to 5.5V The RT5028D is a highly-integrated low-power high- Step-Down Regulator : V Range is 3.3V to 5.5V IN performance analog SOC with PMIC in one single chip Max Current 2.4A/2A/1.6A/2A designed for Industrial applications. Programmable Frequency from 500kHz to 2MHz The RT5028D includes four synchronous step-down DC/ 2 I C Programmable Output Level DC converters and eight LDOs for system power. 2 I C Programmable Operation Mode (Force PWM The RT5028D also embeds one EEPROM (MTP) for setting or Auto PSM/PWM) sequence and timing etc. 2 I C Programmable Output Discharge Mode (Discharge or Flatting) Additionally, the RT5028D PMIC also includes one IRQ Linear Regulators : V Range is 2.5V to 5.5V report. IN Max Current 0.3A 2 Applications I C Programmable Output Level Embedded 32Bytes MTP for Factory Tuning Industrial External MTP Pin for Write Protection 2 Sequence can be Controlled by I C or each EN pins Ordering Information Defined by MASK GPIO pin. RT5028D OT/UVP/VIN LV/POWRON press Time Interrupt Package Type (IRQ). QW : WQFN-56L 7x7 (W-Type) 2 I C Control Interface: Support Fast Mode up to Lead Plating System 400kb/s G : Green (Halogen Free and Pb Free) RoHS Compliant and Halogen Free Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Simplified Application Circuit RT5028D VIN VOUTLx VDDP SCL SDA VINL123 IRQ VINL456 RESET VINL78 PWRHOLD PWRON LXBx REBOOT VOUTBxS MTP VINBx MASK GPIO ENBx ENLx SADDR AGND Copyright 2015 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS5028D-00 August 2015 www.richtek.com 1RT5028D Marking Information Pin Configurations RT5028DGQW : Product Number (TOP VIEW) RT5028D YMDNN : Date Code GQW YMDNN 56 55 54 53 52 51 50 49 48 47 46 45 44 43 VOUTL1 1 42 LXB2 2 41 VINL123 LXB2 VOUTL2 3 40 ENB2 4 39 VOUTL3 VOUTB2S VOUTL6 5 38 VINB3 VOUTL5 6 37 VINB3 7 36 VINL456 LXB3 AGND 8 35 VOUTL4 LXB3 9 34 VOUTL7 AGND VINL78 10 33 VOUTB3S 57 11 32 VOUTL8 VINB4 ENL4 12 31 LXB4 ENL5 13 30 ENB3 14 29 ENL6 VOUTB4S 15 16 17 18 19 20 21 22 23 24 25 26 27 28 WQFN-56L 7x7 Functional Pin Description Pin No. Pin Name Pin Function 1 VOUTL1 Output Voltage Regulation Node for LDO1. 2 VINL123 Input Power for LDO1, LDO2 and LDO3. 3 VOUTL2 Output Voltage Regulation Node for LDO2. 4 VOUTL3 Output Voltage Regulation Node for LDO3. 5 VOUTL6 Output Voltage Regulation Node for LDO6. 6 VOUTL5 Output Voltage Regulation Node for LDO5. 7 VINL456 Input Power for LDO4, LDO5 and LDO6. 8 VOUTL4 Output Voltage Regulation Node for LDO4. 9 VOUTL7 Output Voltage Regulation Node for LDO7. 10 VINL78 Input Power for LDO7 and LDO8. 11 VOUTL8 Output Voltage Regulation Node for LDO8. 12 ENL4 Enable Control Input for LDO4. Connect a 100k pull-low resistor. 13 ENL5 Enable Control Input for LDO5. Connect a 100k pull-low resistor. 14 ENL6 Enable Control Input for LDO6. Connect a 100k pull-low resistor. 2 15 SCL Clock Input for I C. Open-drain output, connect a 10k pull-up resistor. Copyright 2015 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS5028D-00 August 2015 2 SCL AGND SDA ENL3 ENL7 ENL2 ENL8 ENL1 IRQ VIN VDDP RESET AGND VOUTB1S PWRON ENB1 REBOOT LXB1 MTP LXB1 MASK GPIO VINB1 PWRHOLD VINB1 SADDR VINB2 ENB4 VINB2