Overview
The TPS65185RGZR, produced by Texas Instruments, is a highly integrated power management IC (PMIC) designed specifically for E-Ink® Vizplex™ displays used in portable electronic readers. This model is tailored to support panel sizes up to 9.7 inches and larger, making it a versatile solution for e-reader applications. Its market positioning targets manufacturers of portable electronic devices, particularly those requiring efficient and compact power management solutions. The TPS65185RGZR stands out for its ability to generate multiple voltage rails with high efficiency, ensuring optimal performance for E-Ink displays.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Input Voltage Range | 8.6 - 14.7 | V | |
| Output Voltage (Boost Converters) | ±16 | V | Charge pump boosts to 22V and -20V |
| Output Current (LDOs) | 120/200 | mA | TPS65185/TPS651851 |
| Operating Temperature | -40 to 85 | °C | |
| Package | 48-VQFN | 6x6 mm | |
| Interface | I²C | Adjustable power rails |
Key Features
- Generates ±16V power rails with charge pump boosting to 22V and -20V.
- Integrated tracking LDOs for ±15V source driver power.
- Supports I²C interface for power rail adjustment.
- High efficiency DC-DC boost converters.
- Compact 48-VQFN package for space-constrained designs.
Applications
The TPS65185RGZR is primarily used in portable electronic readers with E-Ink® Vizplex™ displays. Its ability to efficiently manage multiple voltage rails makes it ideal for devices requiring reliable and compact power solutions. Applications include e-readers, electronic paper displays, and other portable devices where power efficiency and space-saving are critical.
Q & A
1. What is the input voltage range of the TPS65185RGZR?
The input voltage range is 8.6V to 14.7V.
2. What output voltages does the TPS65185RGZR generate?
It generates ±16V power rails, which are boosted to 22V and -20V using charge pumps.
3. What is the maximum output current of the LDOs?
The LDOs support up to 120mA for the TPS65185 and 200mA for the TPS651851.
4. What is the operating temperature range?
The operating temperature range is -40°C to 85°C.
5. What package does the TPS65185RGZR use?
It uses a 48-VQFN package with dimensions of 6x6 mm.
6. Does the TPS65185RGZR support I²C interface?
Yes, it supports I²C interface for adjusting power rails.
7. What is the primary application of the TPS65185RGZR?
It is primarily used in portable electronic readers with E-Ink® Vizplex™ displays.
8. Can the TPS65185RGZR support panels larger than 9.7 inches?
Yes, it is designed to support panels up to 9.7 inches and larger.
9. What are the key features of the TPS65185RGZR?
Key features include high-efficiency DC-DC boost converters, integrated LDOs, and I²C interface support.
10. Is the TPS65185RGZR suitable for space-constrained designs?
Yes, its compact 48-VQFN package makes it ideal for space-constrained designs.
