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TPS92692EVM-880
Texas Instruments TPS92692EVM-880 Manuals
Manuals and User Guides for Texas Instruments TPS92692EVM-880. We have
1
Texas Instruments TPS92692EVM-880 manual available for free PDF download: User Manual
Texas Instruments TPS92692EVM-880 User Manual (27 pages)
Boost and Boost-to-Battery LED Driver Evaluation Board
Brand:
Texas Instruments
| Category:
Motherboard
| Size: 1 MB
Table of Contents
Table of Contents
1
TPS92692 Boost and Boost-To-Battery LED Driver Evaluation Board
1
Introduction
3
Description
3
Typical Applications
3
Features
3
Spread Spectrum Frequency Modulation
3
Connector Description
4
J2, Low Brightness, Full Brightness, GND
4
Configuring for Boost or Boost-To-Battery (J1, J3)
4
Connection Diagram
4
J4, Fault Response Setting
5
J5, IADJ Input Select
5
PWM Dimming (J6, J7)
5
J8, Dither Modulation Setting
5
TP2, Soft Start
5
Tp8, Pwm
6
Tp7, Iadj
6
3.10 Tp6, Imon
6
Boost LED Driver Electrical Performance Specifications
6
TPS92692EVM-880 Boost Configuration Electrical Performance Specifications
6
Boost LED Driver Schematic
7
TPS92692EVM-880 Schematic: Configured as a Boost LED Driver
7
Performance Data and Typical Characteristic Curves
8
Efficiency
8
Efficiency Vs Input Voltage (Number of Series-Connected Leds = 8)
8
Efficiency Vs Input Voltage (Number of Series-Connected Leds = 13)
8
Efficiency Vs Input Voltage (Number of Series-Connected Leds = 18)
8
Line Regulation
9
Output LED Current Vs Input Voltage
9
Load Regulation
10
Output LED Current Vs LED String Configuration
10
Temperature Characteristics
11
Analog Adjust Settings
11
Analog-To-PWM Dimming
11
LED Current Vs Ambient Temperature
11
Direct External PWM Dimming
12
Typical Waveforms
12
LED Current Vs DIM/PWM Voltage
12
Normal Operation
12
Startup Transient
13
Analog-To-PWM Dimming Transient
13
Direct PWM Dimming Transient
13
PWM Dimming Transient (Zoomed)
13
LED Open-Circuit Fault
13
LED Short-Circuit Fault
13
Emi
14
Buck-Boost LED Driver Electrical Performance Specifications
15
TPS92692EVM-880 Buck-Boost Configuration Electrical Performance Specifications
15
Buck-Boost LED Driver Schematic
16
TPS92692EVM-880 Schematic: Configured as a Buck-Boost LED Driver
16
Performance Data and Typical Characteristic Curves
17
Efficiency
17
Line Regulation
17
Efficiency Vs Input Voltage (Number of Series-Connected Leds = 7)
17
Output LED Current Vs Input Voltage
17
Load Regulation
18
Typical Waveforms
18
Output LED Current Vs LED String Configuration
18
LED Short-Circuit Fault
18
LED Open-Circuit Fault
18
TPS92692EVM-880 Assembly Drawing and PCB Layout
19
Assembly Drawing
19
Top Layer and Top Overlay (Top View)
19
Bill of Materials
21
SLVUB29 - March 2017
21
Submit Documentation Feedback
21
Copyright © 2017, Texas Instruments Incorporated
26
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