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TPS65161PWPRG4 from TI,Texas Instruments

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TPS65161PWPRG4

Manufacturer: TI, TI/BB

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 19V, 2.3A Min. Buck Ilim) 28-HTSSOP -40 to 85

Partnumber Manufacturer Quantity Availability
TPS65161PWPRG4 TI, TI/BB 44 In Stock

Description and Introduction

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 19V, 2.3A Min. Buck Ilim) 28-HTSSOP -40 to 85 The TPS65161PWPRG4 is a power management IC (PMIC) manufactured by Texas Instruments (TI). Below are its key specifications, descriptions, and features:

### **Specifications:**
- **Manufacturer:** Texas Instruments (TI)  
- **Part Number:** TPS65161PWPRG4  
- **Package:** HTSSOP-24 (PowerPAD)  
- **Input Voltage Range:** 2.7V to 5.5V  
- **Output Voltage:** Adjustable positive and negative outputs  
- **Positive Output Voltage Range:** Up to +15V  
- **Negative Output Voltage Range:** Down to -15V  
- **Switching Frequency:** 1.2MHz (typical)  
- **Operating Temperature Range:** -40°C to +85°C  
- **Efficiency:** Up to 90%  

### **Descriptions:**
The TPS65161PWPRG4 is a highly integrated PMIC designed to generate both positive and negative supply rails from a single input voltage. It is commonly used in applications requiring dual-rail power supplies, such as LCD displays, OLED panels, and other portable electronics. The device includes two step-up (boost) converters and one inverting buck-boost converter to provide stable positive and negative outputs.

### **Features:**
- **Dual Outputs:** Generates both positive and negative voltages from a single input.  
- **Integrated Power Switches:** Reduces external component count.  
- **Adjustable Output Voltages:** Allows flexibility for different applications.  
- **Synchronizable Switching Frequency:** Can be synchronized to an external clock.  
- **Soft-Start Function:** Prevents inrush current during startup.  
- **Overcurrent and Overtemperature Protection:** Enhances system reliability.  
- **Low Quiescent Current:** Improves efficiency in battery-powered applications.  

This information is based solely on the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

4-CH LCD Bias (2.8A Min. Boost Ilim. Up to 19V, 2.3A Min. Buck Ilim) 28-HTSSOP -40 to 85

Alternative Part Number

  • TPS65160PWPR --: Same TPS6516x family LCD bias power supply in HTSSOP package with nearly identical function and pinout, making it a close drop-in substitute.
  • TPS65162PWPR --: Sister device in the same family with comparable multi-rail LCD bias outputs and package, suitable when minor output configuration differences are acceptable.
  • MAX17126ETM+ --: Alternative multi-output LCD panel bias supply from a different vendor, usable as a cross-vendor replacement after verifying rail voltages and sequencing.
  • MAX17075ETG+ --: Alternative LCD bias power supply IC offering similar boost and charge-pump rails; requires layout and pinout review but is a viable cross-vendor option.

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