SLIS171
December 2015
TPIC2030
PRODUCTION DATA.
1
Features
2
Applications
3
Description
4
Revision History
5
Description (continued)
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 - Common Part
7.6
Electrical Characteristics - Charge Pump Part
7.7
Electrical Characteristics - DC-DC Converter
7.8
Electrical Characteristics - Spindle Motor Driver Part
7.9
Electrical Characteristics - Sled Motor Driver Part
7.10
Electrical Characteristics - Focus/ Tilt/Tracking/Driver Part
7.11
Electrical Characteristics - Load Driver Part
7.12
Electrical Characteristics - Current Switch Part
7.13
Electrical Characteristics - LED Switch Part
7.14
Electrical Characteristics - Thermometer Part
7.15
Electrical Characteristics - Actuator Protection
7.16
Electrical Characteristics - Serial Port Voltage Levels
7.17
Serial Port I/F Write Timing Requirements
7.18
Serial I/F Read Timing Requirements
7.19
Typical Characteristics
8
Detailed Description
8.1
Overview
8.2
Functional Block Diagram
8.3
Feature Description
8.3.1
Protection Functions
8.3.1.1
Undervoltage Lockout (UVLO)
8.3.1.2
Overvoltage Protection (OVP)
8.3.1.3
Overcurrent Protection (OCP)
8.3.1.3.1
OCP for DC-DC Converter
8.3.1.3.2
OCP for Load Driver
8.3.1.3.3
OCP for LED Driver
8.3.1.3.4
OCP for CSW
8.3.1.3.4.1
Short Circuit Protection (SCP)
8.3.1.4
Thermal Protection (TSD)
8.3.1.5
Actuator Temperature Protection (ACTTIMER)
8.4
Device Functional Modes
8.4.1
Power-On Reset (POR)
8.4.1.1
Power-Up Sequences
8.4.1.2
XRESET
8.4.2
XMUTE
8.5
Programming
8.5.1
Serial Port Functional Description
8.5.2
Write Operation
8.5.3
Read Operation
8.5.4
Write and Read Operation
8.6
Register Maps
8.6.1
Register State Transition
8.6.2
DAC Register (12-Bit Write Only)
8.6.3
Control Register
8.6.4
Detailed Description of Registers
8.6.4.1
REG01 12-bit DAC for Tilt (VDAC_MAPSW = 0)
8.6.4.2
REG02 12-bit DAC for Focus (VDAC_MAPSW = 0)
8.6.4.3
REG03 12-bit DAC for Track (VDAC_MAPSW = 0)
8.6.4.4
REG04 10bit DAC for Sled1 (VDAC_MAPSW = 0)
8.6.4.5
REG05 10bit DAC for Sled2 (VDAC_MAPSW = 0)
8.6.4.6
REG08 12-bit DAC for Spindle (VDAC_MAPSW = 0)
8.6.4.7
REG09 12-bit DAC for Load (VDAC_MAPSW = 0)
8.6.4.8
REG65 8bit Control Register for FBSVR
8.6.4.9
REG6D 8bit Control Register for DCCfg
8.6.4.10
REG6E 8bit Control Register for UtilCfg
8.6.4.11
REG6F 8bit Control Register for MonitorSet (REG6F)
8.6.4.12
REG70 8bit Control Register for DriverEna
8.6.4.13
REG71 8bit Control Register for FuncEna
8.6.4.14
REG72 8bit Control Register for ACTCfg
8.6.4.15
REG73 8bit Control Register for Parm0
8.6.4.16
REG74 8bit Control Register for OptSet
8.6.4.17
REG76 8bit Control Register for WriteEna
8.6.4.18
REG77 8bit Control Register for ClrReg
8.6.4.19
REG78 8bit Control Register for ActTemp
8.6.4.20
REG79 8bit Control Register for UVLOMon
8.6.4.21
REG7A 8bit Control Register for TsdMon
8.6.4.22
REG7B 8bit Control Register for ProtMon
8.6.4.23
REG7C 8bit Control Register for TempMon
8.6.4.24
REG7E 8bit Control Register for Version
8.6.4.25
REG7F 8bit Control Register for Status
9
Application and Implementation
9.1
Application Information
9.1.1
DAC Type
9.1.2
Example Sampling Rate of 12-Bit DAC for FCS/TRK/TLT
9.1.3
Digital Input Coding
9.1.4
Example Timing of Target Control System
9.1.5
Spindle Motor Driver Part
9.1.5.1
Spindle PWM Control
9.1.5.2
Auto Short Brake Function
9.1.5.3
Spindle Low Speed Mode
9.1.5.4
Spindle Driver Current Limit Circuit
9.1.6
Sled Driver Part
9.1.6.1
Sled Channel Input vs Output PWM Duty
9.1.6.2
Sled End Detect Function
9.1.7
Load Driver Part
9.1.7.1
Load Channel Input vs Output PWM Duty
9.1.8
Focus/Track/Tilt Driver Part
9.1.8.1
Differential Tilt Mode
9.1.9
Step-Down Synchronous DC-DC Converter
9.1.9.1
Discontinuous Regulation Mode
9.1.9.2
High Efficiency Mode (in Discontinuous Regulation Mode)
9.1.10
Monitor Signal on GPOUT
9.2
Typical Application
9.2.1
Design Requirements
9.2.2
Detailed Design Procedure
9.2.3
Application Curves
10
Power Supply Recommendations
11
Layout
11.1
Layout Guidelines
11.2
Layout Example
12
Device and Documentation Support
12.1
Device Support
12.1.1
Third-Party Products Disclaimer
12.2
Community Resources
12.3
Trademarks
12.4
Electrostatic Discharge Caution
12.5
Glossary
13
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBT|44
MPDS350B
Thermal pad, mechanical data (Package|Pins)
Orderable Information
slis171_oa