Overview
The TPS65023RSBRG4 is a power management integrated circuit (PMIC) designed by Texas Instruments for applications powered by a single lithium-ion (Li-Ion) or lithium-polymer (Li-Polymer) cell. This device is part of the TPS65023x series and is tailored to provide multiple power rails for processor-based systems. It integrates three highly efficient step-down converters and three low-dropout (LDO) voltage regulators, making it an ideal solution for various portable and embedded systems.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Manufacturer | Texas Instruments | |
| Package | 40-WFQFN Exposed Pad | |
| Battery Chemistry | Lithium-Ion/Polymer | |
| Number of Cells | 1 | |
| Fault Protection | Over Temperature | |
| Interface | I2C | |
| Operating Temperature | -40°C ~ 85°C (TA) | |
| Step-Down Converters | 3 (1.7A, 1.2A, 1.0A) | |
| LDO Voltage Regulators | 2 x 200mA, 1 x 30mA | |
| Quiescent Current | 85 μA |
Key Features
- High-efficiency charging and discharging
- Single-cell support with up to 40W output current
- Over-temperature fault protection
- I2C interface for dynamic voltage scaling and control
- Three highly efficient step-down converters:
- 1.7-A for processor core voltage (VDCDC1)
- 1.2-A for system voltage (VDCDC2)
- 1.0-A for memory voltage (VDCDC3)
- Two general-purpose 200-mA LDO voltage regulators and one 30-mA LDO for real-time clock (VRTC)
- DYNAMIC Voltage Management for processor core
- Preselectable LDO voltage using two digital input pins
- Externally adjustable reset delay time
- Battery backup functionality
- Separate enable pins for inductive converters
- Low ripple PFM mode
- Thermal shutdown protection
Applications
- Digital Media Players
- Internet Audio Players
- Digital Still Cameras
- Smart Phones
- Supply solutions for DaVinci™ DSP Family
Q & A
- What is the TPS65023RSBRG4 used for?
The TPS65023RSBRG4 is a power management IC used in applications powered by a single lithium-ion or lithium-polymer cell, providing multiple power rails for processor-based systems.
- What type of package does the TPS65023RSBRG4 come in?
The TPS65023RSBRG4 comes in a 40-pin WQFN (Wafer-Level Quad Flat No-Lead) exposed pad package.
- What are the key features of the TPS65023RSBRG4?
Key features include high-efficiency step-down converters, LDO voltage regulators, I2C interface, over-temperature fault protection, and dynamic voltage management.
- What is the operating temperature range of the TPS65023RSBRG4?
The operating temperature range is -40°C to 85°C.
- How many step-down converters does the TPS65023RSBRG4 have?
The TPS65023RSBRG4 has three step-down converters with efficiencies of up to 95%.
- What is the quiescent current of the TPS65023RSBRG4?
The quiescent current is 85 μA.
- Does the TPS65023RSBRG4 support I2C interface?
Yes, it supports an I2C-compatible serial interface for dynamic control and configuration.
- What are some typical applications of the TPS65023RSBRG4?
Typical applications include digital media players, internet audio players, digital still cameras, smart phones, and supply solutions for DaVinci™ DSP Family.
- Does the TPS65023RSBRG4 have thermal shutdown protection?
Yes, it includes thermal shutdown protection for over-temperature conditions.
- How can the LDO output voltages be set on the TPS65023RSBRG4?
The LDO output voltages can be set using two digital input pins (DEFLDO1 and DEFLDO2).
