JAJSCU3 December   2016 DRV401-Q1

PRODUCTION DATA.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
  4. 4 改訂履歴
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Typical Characteristics
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Magnetic Probe (Sensor) Interface
      2. 7.3.2  PWM Processing
      3. 7.3.3  Compensation Driver
      4. 7.3.4  External Compensation Coil Driver
      5. 7.3.5  Shunt Sense Amplifier
      6. 7.3.6  Over-Range Comparator
      7. 7.3.7  Voltage Reference
      8. 7.3.8  Demagnetization
      9. 7.3.9  Power-On and Brownout
      10. 7.3.10 Error Conditions
      11. 7.3.11 Protection Recommendations
    4. 7.4 Device Functional Modes
  8. 8 Application and Implementation
    1. 8.1 Application Information
      1. 8.1.1 Functional Principle of Closed-Loop Current Sensors with Magnetic Probe Using the DRV401-Q1 Device
      2. 8.1.2 Basic Connection
    2. 8.2 Typical Application
      1. 8.2.1 Design Requirements
      2. 8.2.2 Detailed Design Procedure
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Power Dissipation
  11. 11デバイスおよびドキュメントのサポート
    1. 11.1 デバイス・サポート
      1. 11.1.1 開発サポート
        1. 11.1.1.1 TINA-TI(無料のダウンロード・ソフトウェア)
        2. 11.1.1.2 TI Precision Designs
        3. 11.1.1.3 WEBENCH® Filter Designer
    2. 11.2 ドキュメントのサポート
      1. 11.2.1 関連資料
    3. 11.3 ドキュメントの更新通知を受け取る方法
    4. 11.4 コミュニティ・リソース
    5. 11.5 商標
    6. 11.6 静電気放電に関する注意事項
    7. 11.7 Glossary
  12. 12メカニカル、パッケージ、および注文情報
    1. 12.1 サーマル・パッド

パッケージ・オプション

メカニカル・データ（パッケージ｜ピン）
サーマルパッド・メカニカル・データ
発注情報

5 Pin Configuration and Functions

RGW Package
20-Pin VQFN With Exposed Thermal Pad
Top View
DRV401-Q1 po_qfn_bos814.gif

Pin Functions

PIN I/O DESCRIPTION
NAME NO.
CCdiag 13 I Control input for wire-break detection: high = enable
DEMAG 2 I Control input; See the Demagnetization section.
ERROR 1 O Error flag: open-drain output. See the Error Conditions section.
GAIN 3 I Control input for open-loop gain: low = normal, high = −8 dB
GND1 17 — Ground connection
GND2 9 — Ground connection. Connect to GND1.
IAIN1 8 I Inverting input of differential amplifier
IAIN2 7 I Noninverting input of differential amplifier
ICOMP1 11 O Output 1 of compensation coil driver
ICOMP2 10 O Output 2 of compensation coil driver
IS1 18 I/O Probe connection 1
IS2 16 I/O Probe connection 2
OVER-RANGE 14 O Open-drain output for overrange indication: low = overrange
PWM 19 O PWM output from probe circuit (inverted)
PWM 20 O PWM output from probe circuit
REFOUT 4 O Output for internal 2.5-V reference voltage
REFIN 5 I Input for zero reference to differential amplifier
Thermal pad — — Exposed thermal pad. Connect to GND1.
VDD1 15 — Supply voltage
VDD2 12 — Supply voltage. Connect to VDD1.
VOUT 6 O Output for differential amplifier