Overview
The TPS651851RSLR is a power management integrated circuit (PMIC) produced by Texas Instruments, specifically designed for E-Ink® Vizplex™ enabled electronic paper displays. This model is part of the TPS65185x series, tailored for portable electronic reader applications, supporting panel sizes of 9.7 inches and larger. It features active discharge functionality, making it ideal for ensuring efficient power management in e-paper devices. The TPS651851RSLR is a compact, high-performance solution that caters to the needs of manufacturers developing advanced e-reader technologies.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 2.7 to 5.5 | V | |
| Output Voltage Range | ±16V, ±15V, 22V, -20V | V | Generated via DC/DC boost converters and charge pumps |
| Output Current | Up to 200mA | mA | For TPS651851 variant |
| Package | 48-pin VQFN | 6mm x 6mm, 0.4mm pitch | |
| Interface | I2C | For voltage rail adjustment | |
| Panel Size Support | ≥9.7 inches | Designed for larger e-paper displays |
Key Features
- Integrated active discharge functionality for efficient power management.
- Dual DC/DC boost converters and charge pumps for generating high voltages.
- I2C interface for precise voltage rail adjustment to meet specific panel requirements.
- Compact 48-pin VQFN package for space-constrained designs.
- Supports automatic panel voltage measurement, eliminating the need for manual calibration.
Applications
The TPS651851RSLR is primarily used in portable electronic reader applications, particularly those utilizing E-Ink® Vizplex™ technology. Its advanced power management capabilities make it suitable for e-readers, e-paper displays, and other devices requiring efficient and reliable power solutions for larger display panels. The device's ability to handle high voltages and currents ensures optimal performance in demanding electronic paper display applications.
Q & A
1. What is the primary function of the TPS651851RSLR?
The TPS651851RSLR is a PMIC designed to manage power for E-Ink® Vizplex™ enabled electronic paper displays, particularly in portable e-reader applications.
2. What voltage ranges does the TPS651851RSLR support?
It supports output voltages of ±16V, ±15V, 22V, and -20V, generated via DC/DC boost converters and charge pumps.
3. What is the maximum output current for the TPS651851RSLR?
The TPS651851RSLR supports up to 200mA output current.
4. What package type does the TPS651851RSLR use?
It uses a compact 48-pin VQFN package with a 6mm x 6mm footprint and 0.4mm pitch.
5. How is the TPS651851RSLR controlled?
It is controlled via an I2C interface, allowing for precise adjustment of voltage rails to meet specific panel requirements.
6. What panel sizes does the TPS651851RSLR support?
It supports panel sizes of 9.7 inches and larger, making it suitable for larger e-paper displays.
7. Does the TPS651851RSLR require manual calibration for panel voltage?
No, it supports automatic panel voltage measurement, eliminating the need for manual calibration.
8. What are the key features of the TPS651851RSLR?
Key features include active discharge functionality, dual DC/DC boost converters, I2C interface, and a compact 48-pin VQFN package.
9. What applications is the TPS651851RSLR best suited for?
It is best suited for portable electronic readers and e-paper displays utilizing E-Ink® Vizplex™ technology.
10. What are the advantages of using the TPS651851RSLR in e-reader designs?
Its advantages include efficient power management, support for high voltages, compact design, and automatic voltage measurement, ensuring optimal performance in e-reader applications.
