SLVS978D
March 2010 – September 2016
TPS61310
,
TPS61311
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison Table
6
Pin Configuration and Functions
7
Specifications
7.1
Absolute Maximum Ratings
7.2
ESD Ratings
7.3
Recommended Operating Conditions
7.4
Thermal Information
7.5
Electrical Characteristics
7.6
I2C Interface Timing Requirements
7.7
Dissipation Ratings
7.8
Typical Characteristics
8
Parameter Measurement Information
9
Detailed Description
9.1
Overview
9.2
Functional Block Diagram
9.3
Feature Description
9.3.1
Privacy Indicator
9.3.1.1
Dedicated LED Privacy Indicator
9.3.1.2
White LED Privacy Indicator
9.3.2
Safe Operation and Protection Features
9.3.2.1
LED Temperature Monitoring (Finger-Burn Protection)
9.3.2.2
LED Failure Modes (Open and Short Detection) and Overvoltage Protection
9.3.2.2.1
LED Open Circuit Detection and Overvoltage Protection
9.3.2.2.2
Short-Circuit Protection
9.3.2.3
LED Current Ramp-Up and Ramp-Down
9.3.2.4
Battery Voltage Droop Monitoring and Protection
9.3.2.5
Undervoltage Lockout
9.3.2.6
Hot Die Detection and Thermal Shutdown
9.3.2.7
Current Limit
9.3.2.8
Flash Blanking (Tx-Mask) for Instantaneous Flash Current Reduction
9.3.3
Start-Up Sequence
9.3.4
NRESET Input: Hardware Enable or Disable
9.3.5
Serial Interface Description
9.3.5.1
F/S-Mode Protocol
9.3.5.2
H/S-Mode Protocol
9.3.5.3
TPS6131x I2C Update Sequence
9.3.5.4
Slave Address Byte
9.3.5.5
Register Address Byte
9.3.6
LED Forward Voltage Calibration
9.4
Device Functional Modes
9.4.1
Video Light and Flash Strobe Operation
9.4.1.1
LED Hardware Setup
9.4.1.2
Triggering Video Light and Flash
9.4.1.3
Level-Sensitive Flash Trigger (STT = 0)
9.4.1.4
Rising-Edge Flash Trigger (STT = 1)
9.4.2
Voltage Mode
9.4.2.1
Down Mode in Voltage Mode Operation
9.4.2.2
Power Good Indication
9.4.3
Power-Save Mode Operation, Efficiency
9.4.4
Shutdown
9.5
Register Maps
9.5.1
REGISTER0 (address = 0x00)
9.5.2
REGISTER1 (address = 0x01)
9.5.3
REGISTER2 (address = 0x02)
9.5.4
REGISTER3 (address = 0x03)
9.5.5
REGISTER4 (address = 0x04)
9.5.6
REGISTER5 (address = 0x05)
9.5.7
REGISTER6 (address = 0x06)
9.5.8
REGISTER7 (address = 0x07)
10
Application and Implementation
10.1
Application Information
10.2
Typical Applications
10.2.1
2x 600-mA High Power White LED Solution Featuring Privacy Indicator
10.2.1.1
Design Requirements
10.2.1.2
Detailed Design Procedure
10.2.1.2.1
Inductor Selection
10.2.1.2.2
Input Capacitor
10.2.1.2.3
Output Capacitor
10.2.1.2.4
NTC Selection
10.2.1.2.5
Checking Loop Stability
10.2.1.2.6
LED Flash Current Level Optimization Versus Battery Droop
10.2.1.3
Application Curves
10.2.2
1200-mA High Power White LED Solution Featuring Voltage Mode
10.2.2.1
Design Requirements
10.2.2.2
Application Curves
11
Power Supply Recommendations
12
Layout
12.1
Layout Guidelines
12.2
Layout Example
12.3
Thermal Considerations
13
Device and Documentation Support
13.1
Documentation Support
13.1.1
Related Documentation
13.2
Related Links
13.3
Receiving Notification of Documentation Updates
13.4
Community Resources
13.5
Trademarks
13.6
Electrostatic Discharge Caution
13.7
Glossary
14
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
YFF|20
MXBG145A
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slvs978d_oa
slvs978d_pm
5 Device Comparison Table
PACKAGE
DEVICE SPECIFIC FEATURES
(1)
TPS61310
up to 1750-mA (typical) input valley current
TPS61311
up to 2480-mA (typical) input valley current
(1) For more details, see
Detailed Description
and
Application and Implementation
.