ZHCSQI2A November 2022 – January 2024 TPS92620-Q1
PRODUCTION DATA
- 1
- 1 特性
- 2 應用
- 3 說明
- 4 Pin Configuration and Functions
- 5 Specifications
-
6 Detailed Description
- 6.1 Overview
- 6.2 Functional Block Diagram
- 6.3
Feature Description
- 6.3.1 Power Supply (SUPPLY)
- 6.3.2 Enable and Shutdow(EN)
- 6.3.3 Constant-Current Output and Setting (INx)
- 6.3.4 Thermal Sharing Resistor (OUTx and RESx)
- 6.3.5 PWM Control (PWMx)
- 6.3.6 Supply Control
- 6.3.7 Diagnostics
- 6.3.8 FAULT Bus Output With One-Fails-All-Fail
- 6.3.9 FAULT Table
- 6.3.10 LED Fault Summary
- 6.3.11 IO Pins Inner Connection
- 6.4 Device Functional Modes
- 7 Application and Implementation
- 8 Device and Documentation Support
- 9 Revision History
- 10Mechanical, Packaging, and Orderable Information
封裝選項
機械數據 (封裝 | 引腳)
散熱焊盤機械數據 (封裝 | 引腳)
- DRR|12
訂購信息
4 Pin Configuration and Functions
Figure 4-1 DGN Package 12-Pin HVSSOP With PowerPAD? Integrated Circuit Package (Top View)
Figure 4-2 DRR Package 12-Pin WSON With PowerPAD? Integrated Circuit Package (Top View)Table 4-1 HVSSOP Pin Functions
| PIN | I/O | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | NO. | |||
| SUPPLY | 1 | I | Device power supply | |
| IN1 | 2 | I | Current input for channel 1 | |
| IN2 | 3 | I | Current input for channel 2 | |
| DIAGEN | 4 | I |
Enable pin for LED open-circuit detection to avoid false open diagnostics during low-dropout operation. |
|
| PWM1 | 5 | I | PWM input for OUT1 and RES1 current output ON and OFF control | |
| PWM2 | 6 | I | PWM input for OUT2 and RES2 current output ON and OFF control | |
| FAULT | 7 | I/O | Fault output, support one-fails–all-fail fault bus | |
| EN | 8 | I | Device enable pin | |
| OUT2 | 9 | O | Current output for channel 2 | |
| RES2 | 10 | O | Current output for channel 2 with external thermal resistor | |
| OUT1 | 11 | O | Current output for channel 1 | |
| RES1 | 12 | O | Current output for channel 1 with external thermal resistor | |
| DAP | 13 | - | GND/ Thermal Pad | |
Table 4-2 WSON Pin Functions
| PIN | I/O | DESCRIPTION | ||
|---|---|---|---|---|
| NAME | NO. | |||
| SUPPLY | 1 | I | Device power supply | |
| IN1 | 2 | I | Current input for channel 1 | |
| IN2 | 3 | I | Current input for channel 2 | |
| DIAGEN | 4 | I |
Enable pin for LED open-circuit detection to avoid false open diagnostics during low-dropout operation. |
|
| PWM1 | 5 | I | PWM input for OUT1 and RES1 current output ON and OFF control | |
| PWM2 | 6 | I | PWM input for OUT2 and RES2 current output ON and OFF control | |
| FAULT | 7 | I/O | Fault output, support one-fails–all-fail fault bus | |
| GND | 8 | - | Ground | |
| OUT2 | 9 | O | Current output for channel 2 | |
| RES2 | 10 | O | Current output for channel 2 with external thermal resistor | |
| OUT1 | 11 | O | Current output for channel 1 | |
| RES1 | 12 | O | Current output for channel 1 with external thermal resistor | |