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TPS65161 from TI,Texas Instruments

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TPS65161

Manufacturer: TI, TEXAS

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 19V, 2.3A Min. Buck Ilim)

Partnumber Manufacturer Quantity Availability
TPS65161 TI, TEXAS 218 In Stock

Description and Introduction

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 19V, 2.3A Min. Buck Ilim) The TPS65161 is a power management IC (PMIC) manufactured by Texas Instruments (TI).  

### **Specifications:**  
- **Input Voltage Range:** 4.5V to 18V  
- **Output Voltage:**  
  - Positive Output: Up to +15V  
  - Negative Output: Down to -15V  
- **Output Current:**  
  - Positive Output: Up to 300mA  
  - Negative Output: Up to 300mA  
- **Switching Frequency:** 1MHz (typical)  
- **Efficiency:** Up to 85%  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 24-pin VQFN (4mm × 4mm)  

### **Descriptions:**  
The TPS65161 is a high-efficiency, low-noise, dual-output power supply designed for applications requiring both positive and negative voltages. It integrates two step-up (boost) converters and an inverting buck-boost converter to generate stable positive and negative rails.  

### **Features:**  
- **Dual Outputs:** Provides both positive and negative voltages from a single input.  
- **Low Noise:** Optimized for noise-sensitive applications.  
- **Integrated Power Switches:** Reduces external component count.  
- **Adjustable Output Voltages:** Configurable via external resistors.  
- **Soft-Start & Protection Features:** Includes overcurrent, overvoltage, and thermal shutdown protection.  
- **Synchronization Capability:** Can sync to an external clock.  

This device is commonly used in LCD bias supplies, op-amp power rails, and industrial systems requiring dual-polarity power.  

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Application Scenarios & Design Considerations

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 19V, 2.3A Min. Buck Ilim)

Alternative Part Number

  • MAX17126 --: Integrated multi-output LCD bias power supply with similar boost and charge-pump rails, suitable as a functional alternative for TFT LCD panel power.
  • RT8511 --: LCD bias power management IC providing positive and negative rails, commonly used as a cross-reference for TPS65161-class panel supplies.
  • ISL98608 --: Highly integrated LCD bias power supply with boost and inverting outputs, offering comparable functionality for display panel applications.
  • RT8511B --: LCD bias power management IC providing positive and negative rails for TFT panels, comparable function and application fit.
  • ISL98611 --: Highly integrated LCD bias power supply with boost and inverting outputs, offering similar functionality for display panel power.

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