Datasheet

i
Atmel MSL2010 [DATASHEET]
42072A–AVR–05/2013
Table of Contents
1. Introduction 2
2. Ordering Information 2
3. Application Circuit 2
4. Absolute Maximum Ratings 3
5. Electrical Characteristics 4
6. Typical Operating Characteristics 6
7. Block Diagram 11
8. Pinout and Pin Description 12
8.1 Pinout MSL2010 12
8.2 Pin Descriptions 12
9. Typical Application Circuit 14
10. Detailed Description 14
11. Fault Conditions 14
12. Applications Information 14
12.1 Turn-On Sequence 14
12.2 The Boost Regulator 15
12.3 The LED string 17
13. Control Registers 18
13.1 EEPROM and Power-Up Defaults 18
13.2 EEPROM Address and Control/Status Registers 18
14. Detailed Register Descriptions 20
14.1 RAM (0x00 through 0x1F) 20
14.2 LED String Reference Voltage register (SREF, 0x20) 20
14.3 Boost Reference Voltage register (CSREF, 0x21) 20
14.4 Efficiency Optimizer Control Register (EOCTRL, 0x40) 21
15. I²C Serial Interface 21
15.1 I2C Bus Timeout 22
15.2 I2C Bit Transfer 22
15.3 I2C START and STOP Conditions 22
15.4 I2C Acknowledge Bit 23
15.5 I2C Slave Address 23
15.6 I2C Message Format for Writing to the MSL2010 23
15.7 I2C Message Format for Reading from the MSL2010 24
15.8 I2C Message Format for Broadcast Writing to Multiple devices 25
16. Packaging Information 26
17. Datasheet Revision History 27
17.1 42072A – 05/2013 27