Texas Instruments TPS65136RTERG4

The TPS65136RTERG4, produced by Texas Instruments, is a Single-Inductor, Multiple-Output (SIMO) regulator designed to provide high-quality power supply solutions for active-matrix OLED (AMOLED) displays. This device is particularly suited for applications requiring both positive and negative supply rails, such as in mobile phones and smartphone devices. The TPS65136 utilizes a buck-boost converter topology with SIMO technology, ensuring excellent line and load regulation, and high efficiency across the entire load-current range.

• SIMO Regulator Technology: Enables the generation of both positive and negative output voltages with a single inductor, achieving the smallest possible solution size.
• Buck-Boost Topology: Operates above or below the input voltage rail, providing flexibility in power supply design.
• Excellent Line and Load Regulation: Ensures stable output voltages despite input voltage variations, crucial for AMOLED displays.
• Low-Noise Operation: Minimizes noise to maintain high picture quality.
• Thermal Shutdown and Short-Circuit Protection: Enhances device reliability and safety.
• Advanced Power-Save Mode: Optimizes efficiency during light-load conditions.
• Fixed 4.6-V Positive Output Voltage and Adjustable Negative Output Voltage: Provides flexibility in output voltage configuration.
• Sequencing Delay: Ensures a controlled start-up sequence for the positive and negative output voltage rails.

• Active-Matrix OLED (AMOLED) Displays: Ideal for mobile phones, smartphones, and other portable devices requiring high-quality display power supply solutions.
• Portable Electronics: Suitable for devices that need efficient and compact power supply solutions with both positive and negative output voltages.
• Consumer Electronics: Can be used in various consumer electronic devices that require stable and efficient power supply systems.

1. What is the primary application of the TPS65136?

   The TPS65136 is primarily designed for active-matrix OLED (AMOLED) displays in mobile phones and smartphones.

2. What is the input voltage range of the TPS65136?

   The input voltage range is from 2.3 V to 5.5 V.

3. What are the output voltages of the TPS65136?

   The device provides a fixed 4.6 V positive output voltage and an adjustable negative output voltage down to -6 V.

4. What is the significance of SIMO technology in the TPS65136?

   SIMO technology allows the generation of both positive and negative output voltages using a single inductor, achieving a compact solution size and excellent line and load regulation.

5. Does the TPS65136 have thermal protection features?

   Yes, the device includes thermal shutdown and short-circuit protection to enhance reliability and safety.

6. How does the TPS65136 manage start-up sequencing?

   The device has an internal fixed start-up sequence where the positive output voltage rail starts first, followed by the negative output voltage rail after a sequencing delay of typically 8.7 ms.

7. What is the recommended input capacitor for the TPS65136?

   A 10-µF ceramic input capacitor is typically recommended, though larger values can be used to lower input voltage ripple.

8. What are the key benefits of the advanced power-save mode in the TPS65136?

   The advanced power-save mode optimizes efficiency during light-load conditions, reducing power consumption and enhancing overall system efficiency.

9. What is the operating ambient temperature range of the TPS65136?

   The operating ambient temperature range is from -40°C to 85°C.

10. Does the TPS65136 have built-in ESD protection?

    The device has limited built-in ESD protection, and proper handling and storage procedures are recommended to prevent electrostatic damage.