SNVSCE4A
may 2023 – august 2023
LP5861T
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Revision History
5
Device Comparison
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
Timing Requirements
15
7.7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Dimming (Current Gain Control)
8.3.2
PWM Dimming
8.3.3
ON and OFF Control
8.3.4
Data Refresh Mode
8.3.5
Full Addressable SRAM
8.3.6
Protections and Diagnostics
8.4
Device Functional Modes
8.5
Programming
8.6
Register Maps
8.6.1
CONFIG Registers
8.6.2
GROUP Registers
8.6.3
DOTGROUP Registers
8.6.4
DOTONOFF Registers
8.6.5
FAULT Registers
8.6.6
RESET Registers
8.6.7
DC Registers
8.6.8
PWM Registers
9
Application and Implementation
9.1
Application Information
9.2
Typical Application
9.2.1
Application
9.2.2
Design Requirements
9.2.3
Detailed Design Procedure
9.2.3.1
Program Procedure
9.2.4
Application Performance Plots
9.3
Power Supply Recommendations
9.4
Layout
9.4.1
Layout Guidelines
9.4.2
Layout Example
10
Device and Documentation Support
10.1
Receiving Notification of Documentation Updates
10.2
Support Resources
10.3
Trademarks
10.4
Electrostatic Discharge Caution
10.5
Glossary
11
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
RSM|32
MPQF195B
Thermal pad, mechanical data (Package|Pins)
RSM|32
QFND112H
Orderable Information
snvsce4a_oa
1
Features
Operating voltage range:
V
CC
/V
LED
range: 2.7 V to 5.5 V
Logic pins compatible with 1.8 V, 3.3 V, and 5 V
18 high current and precision constant current sinks:
125-mA per current sink when V
CC
≥ 3.3 V
Device-to-device error: ±5%
Channel-to-channel error: ±5%
Phase-shift for balanced transient power
Ultra-low power consumption:
Shutdown mode: I
CC
≤ 2 μA when EN = Low
Standby mode: I
CC
≤ 10 μA when EN = High and CHIP_EN = 0 (data retained)
Active mode: I
CC
= 5 mA (typical) when channel current = 12.5 mA
Flexible dimming options:
Individual ON/OFF control for each LED dot
Analog dimming (current gain control)
Global 3-bit Maximum Current (MC) setting for all LED dots
3 groups of 7-bit Color Current (CC) setting for red, green, and blue
Individual 8-bit Dot Current (DC) setting for each LED dot
PWM dimming with audible-noise-free frequency
Global 8-bit PWM dimming for all LED dots
3 programmable groups of 8-bit PWM dimming for LED dot arbitrary mapping
Individual 8-bit or 16-bit PWM dimming for each LED dot
Full addressable SRAM to minimize data traffic
Individual LED dot open and short detection
Deghosting and low brightness compensation
Interface options:
1-MHz (max.) I
2
C interface when IFS = Low
12-MHz (max.) SPI interface when IFS = High