SLVS538B NOVEMBER   2004  – December 2014 TPS61060 , TPS61061 , TPS61062

PRODUCTION DATA.  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Device Comparison Table
  6. 6 Pin Configuration and Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Start-Up
      2. 8.3.2 Short-Circuit Protection
      3. 8.3.3 Overvoltage Protection (OVP)
      4. 8.3.4 Efficiency and Feedback Voltage
      5. 8.3.5 Undervoltage Lockout
      6. 8.3.6 Thermal Shutdown
    4. 8.4 Device Functional Modes
      1. 8.4.1 Enable PWM Dimming
      2. 8.4.2 Digital Brightness Control (ILED)
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Inductor Selection
        2. 9.2.2.2 Efficiency
        3. 9.2.2.3 Output Capacitor Selection
        4. 9.2.2.4 Input Capacitor Selection
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
  10. 10Power Supply Recommendations
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
    3. 11.3 Thermal Considerations
  12. 12Device and Documentation Support
    1. 12.1 Device Support
      1. 12.1.1 Third-Party Products Disclaimer
    2. 12.2 Related Links
    3. 12.3 Trademarks
    4. 12.4 Electrostatic Discharge Caution
    5. 12.5 Glossary
  13. 13Mechanical, Packaging, and Orderable Information
    1. 13.1 Chipscale Package Dimensions

Package Options

Refer to the PDF data sheet for device specific package drawings

Mechanical Data (Package|Pins)
  • YZF|8
  • DRB|8
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • LED Driver With Integrated Overvoltage and Short-Circuit Protection
  • 2.7-V to 6-V Input Voltage Range
  • 500-mV or 250-mV Feedback Voltage
  • TPS61060 Powers up to 3 LEDs
  • TPS61061 Powers up to 4 LEDs
  • TPS61062 Powers up to 5 LEDs
  • PWM Brightness Control on Enable
  • Digital Brightness Control on ILED
  • 1-MHz Fixed Switching Frequency
  • 400-mA Internal Power MOSFET Switch
  • LEDs Disconnected During Shutdown
  • Operates With Small-Output Capacitors
    Down to 220 nF
  • Up to 80% Efficiency
  • 8-Pin NanoFree™ Package (Chipscale, CSP)
  • 3-mm × 3-mm QFN Package

2 Applications

  • White LED Drivers
  • Cellular Phones
  • PDAs, Pocket PCs, and Smart Phones
  • Digital Still Cameras
  • Handheld Devices

3 Description

The TPS6106x is a high-frequency, synchronous boost converter with constant current output to drive up to five white LEDs. For maximum safety, the device features integrated overvoltage and an advanced short-circuit protection when the output is shorted to ground. The device operates with 1-MHz fixed switching frequency to allow for the use of small external components and to simplify possible EMI problems. The device comes with three different overvoltage protection thresholds (14 V, 18 V, and 23 V) to allow inexpensive and small-output capacitors with lower voltage ratings. The LED current is initially set with the external sense resistor Rs, and the feedback voltage is regulated to 500 mV or 250 mV, depending on the configuration of the ILED pin. Digital brightness control is implemented by applying a simple digital signal to the ILED pin. Alternatively, a PWM signal up to 1 kHz can be applied to the enable pin to control the brightness of the LED. During shutdown, the output is disconnected from the input to avoid leakage current through the LEDs.

Device Information(1)

PART NUMBER PACKAGE BODY SIZE (NOM)
TPS61060,
TPS61061,
TPS61062		 VSON (8) 3.00 mm × 3.00 mm
DSBGA (8) 1.446 mm × 1.446 mm
  1. For all available packages, see the orderable addendum at the end of the datasheet.

Typical Application

typ_app_lvs538.gif