Texas Instruments TPS650830 Wide Input Voltage PMUs
Texas Instruments TPS650830 Wide Input Voltage PMUs are single-chip solution Power Management IC designed specifically for the latest Intel Processors targeted for Tablets, Ultrabooks, and Notebooks. These come with NVDC or Non-NVDC power architectures, using 2S, 3S, or 4S Lithium-Ion battery packs. The TPS650830 is used for Volume systems with the low voltage rails merged for the smallest footprint and lowest cost system power solution. The TPS650830 can provide the complete power solution based on the Intel Reference Designs. Five highly efficient step-down voltage regulators (VRs) and a sink/source LDO, are used along with power-up sequence logic managing external load switches to provide the proper power rails, sequencing, and protection - including DDR3 and DDR4 memory power. The regulators support dynamic voltage scaling (DVS) for maximum efficiency including Connected Standby. The high-frequency voltage regulators use small inductors and capacitors to achieve a small solution size. Output power is adjustable on four VR controllers. An I²C interface allows simple control by the embedded controller (EC).Features
- 5 Reconfigurable voltage regulators:
- High-efficiency over a wide input voltage and wide output current range
- Voltage, current, and sequence can be changed to optimize the system
- 4 variable output voltage step-down controllers using external power MOSFETs
- VR1=1V; VR3=3.3V, VR4=1.2V/1.35V/1.1V for DDRx VDDQ, VR5=5V
- VIN range from 5.4V to 24V
- From 10A of continuous output current using external power MOSFETs
- 1 variable output voltage step-down converter with internal power MOSFETs
- VR2=1.8V
- VIN range from 3V to 3.6V
- Up to 2A of continuous output current
- Output voltage DC accuracy ±1%; DC+AC accuracy ±5%, with differential output voltage sensing
- Ultra-low Quiescent current mode has typical 30µA Quiescent current per controller or converter
- 3-fixed LDO voltage regulators:
- LDO1: 1/2 of VR4 fixed output voltage LDO for DDRx VTT (Vout=VDDQ/2)
- Up to 1A of continuous output current, DC+AC accuracy ±5%, 2A peak
- LDO3: 3.3V fixed output voltage LDO, DC accuracy ±1%,
- High precision reference supply for external ADC
- 3.3V load switch for EC_VCC rail
- LDO1: 1/2 of VR4 fixed output voltage LDO for DDRx VTT (Vout=VDDQ/2)
- LDO5: 5V fixed output voltage LDO, DC accuracy ±1%,
- Power supply for controller and converter gate drives
- Automatic switch to 5V regulator for higher-efficiency
- 8 Power good comparators and sequence logic for external voltage regulators, load switches, or LDOs
- Power-Button logic supported with programmable response time
- 2 General Purpose Level Shifters
- Backup battery / 3.1V LDO selector output for RTC domain
- Power source detection and monitoring: adapter, battery1, battery2
- Over-Temperature Protection comparator for stacked PTC thermistors or single NTC thermistor
- 1Hz EC-Wake clock output
- Advanced system reset control
- I2C interface: standard-mode (100kHz), fast-mode (400kHz), fast-mode plus (1000kHz)
Applications
- NVDC or Non-NVDC power system architectures
- 2, 3, or 4 series-cell Li battery powered products
- Tablet, ultrabook, 2-in-1, and Notebook computers
- Mobile PC's, All-in-Ones, mobile internet devices
- FPGA, industrial metering equipment, personal medical products
Block Diagram
Learn More About
Publicado: 2015-01-26
| Actualizado: 2022-03-11
