SNVSCD0A
November 2023 – November 2023
LP5810
PRODUCTION DATA
1
1
Features
2
Applications
3
Description
4
Device Comparison
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Timing Requirements
7
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Analog Dimming
8.3.2
PWM Dimming
8.3.3
Autonomous Animation Engine Control
8.3.3.1
Animation Engine Pattern
8.3.3.2
Sloper
8.3.3.3
Animation Engine Unit (AEU)
8.3.3.4
Animation Pause Unit (APU)
8.3.4
Protections and Diagnostics
8.3.4.1
LED Open Detections
8.3.4.2
LED Short Detections
8.3.4.3
Thermal Shutdown
8.4
Device Functional Modes
8.5
Programming
8.5.1
I2C Data Transactions
8.5.2
I2C Data Format
9
Register Maps
10
Application and Implementation
10.1
Application Information
10.2
Typical Application
10.2.1
Application
10.2.2
Design Parameters
10.2.3
Detailed Design Procedure
10.2.3.1
Input Capacitor Selection
10.2.3.2
Program Procedure
10.2.3.3
Programming Example
10.2.4
Application Performance Plots
10.3
Power Supply Recommendations
10.4
Layout
10.4.1
Layout Guidelines
10.4.2
Layout Example
11
Device and Documentation Support
11.1
Documentation Support
11.2
Receiving Notification of Documentation Updates
11.3
Support Resources
11.4
Trademarks
11.5
Electrostatic Discharge Caution
11.6
Glossary
12
Revision History
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DSD|8
MPDS238B
YBH|9
Thermal pad, mechanical data (Package|Pins)
DSD|8
QFND348B
Orderable Information
snvscd0a_oa
1
Features
Operating voltage range:
V
CC
range: 2.7 V to 5.5 V
Logic pins compatible with 1.8 V, 3.3 V, and 5 V
4 constant current sinks with high precision:
0.1-mA to 51-mA per current sink
Device-to-device error: max ±5%
Channel-to-channel error: max ±5%
Ultra-low headroom voltage: 110 mV (typ.) at 25.5 mA; 210 mV (typ.) at 51 mA
PWM phase shift configurable for each LED
Ultra-low power consumption:
Standby: I
STB
= 26 μA (typical) when CHIP_EN = 0 (data retained)
Active: I
NOR
= 0.4 mA (typical) when LED current = 25.5 mA
Analog dimming (current gain control)
Global 1-bit Maximum Current (MC): 25.5 mA or 51 mA
Individual 8-bit Dot Current (DC) setting
PWM dimming up to audible-noise-free 24 kHz
Individual 8-bit PWM dimming resolution
Linear or exponential dimming curves
Autonomous animation engine control
Individual LED dot open/short detection
Integrated de-ghosting function
1-MHz (max.) I
2
C interface
–40°C to 85°C operating temperature range