JAJSHD7 May   2019 TPS2596

ADVANCE INFORMATION for pre-production products; subject to change without notice.  

  1. 1 特長
  2. 2 アプリケーション
  3. 3 概要
    1.     Device Images
      1.      概略回路図
      2.      TPS25963x の 1kV EFT 応答
  4. 4 改訂履歴
  5. 5 デバイス比較表
  6. 6 Pin Configuration and Functions
    1. Table 1. Pin Functions
  7. 7 Specifications
    1. 7.1 Absolute Maximum Ratings
    2. 7.2 ESD Ratings
    3. 7.3 Recommended Operating Conditions
    4. 7.4 Thermal Information
    5. 7.5 Electrical Characteristics
    6. 7.6 Timing Requirements
    7. 7.7 Switching Characteristics
    8. 7.8 Typical Characteristics
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Feature Description
    3. 8.3 Functional Block Diagram
      1. 8.3.1 TPS25962x Block Diagram
      2. 8.3.2 TPS25963x Block Diagram
    4. 8.4 Feature Description
      1. 8.4.1 Undervoltage Protection (UVP) and Undervoltage Lockout (UVLO)
      2. 8.4.2 Overvoltage Protection
        1. 8.4.2.1 Overvoltage Lockout
        2. 8.4.2.2 Overvoltage Clamp
      3. 8.4.3 Inrush Current, Overcurrent and Short Circuit Protection
        1. 8.4.3.1 Slew Rate and Inrush Current Control (dVdt)
        2. 8.4.3.2 Active Current Limiting
        3. 8.4.3.3 Short Circuit Protection
      4. 8.4.4 Analog Load Current Monitor (IMON)
      5. 8.4.5 Overtemperature Protection (OTP)
      6. 8.4.6 Fault Indication
    5. 8.5 Device Functional Modes
      1. 8.5.1 Enable and Fault Pin Functional Mode 1: Single Device, Self-Controlled
      2. 8.5.2 Enable and Fault Pin Functional Mode 2: Single Device, Host-Controlled
      3. 8.5.3 Enable and Fault Pin Functional Mode 3: Multiple Devices, Self-Controlled
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Precision Current Limiting and Protection for White Goods
      2. 9.2.2 Design Requirements
      3. 9.2.3 Detailed Design Procedure
        1. 9.2.3.1 Programming the Current-Limit Threshold: RILM Selection
        2. 9.2.3.2 Undervoltage and Overvoltage Lockout Set Point
        3. 9.2.3.3 Setting Output Voltage Ramp Time (TdVdT)
          1. 9.2.3.3.1 Case 1: Start-Up Without Load. Only Output Capacitance COUT Draws Current
          2. 9.2.3.3.2 Case 2: Start-Up With Load. Output Capacitance COUT and Load Draw Current
      4. 9.2.4 Support Component Selection: RFLT and CIN
      5. 9.2.5 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 Current Limiting and Overvoltage Protection and for Energy Meter Power Rails
      2. 9.3.2 Precision Current Limiting and Protection in Appliances
  10. 10Power Supply Recommendations
    1. 10.1 Transient Protection
    2. 10.2 Output Short-Circuit Measurements
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12デバイスおよびドキュメントのサポート
    1. 12.1 ドキュメントのサポート
      1. 12.1.1 関連資料
    2. 12.2 ドキュメントの更新通知を受け取る方法
    3. 12.3 コミュニティ・リソース
    4. 12.4 商標
    5. 12.5 静電気放電に関する注意事項
    6. 12.6 Glossary
  13. 13メカニカル、パッケージ、および注文情報

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

7.5 Electrical Characteristics

(Test conditions unless otherwise noted) –40°C ≤ TJ ≤ 125°C, VIN = 12 V , RILM = 453 Ω , CdVdT = Open, OUT = Open. All voltages referenced to GND.
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT SUPPLY (IN)
IQ IN quiescent current TPS25963x 189 270 µA
TPS25962x 196 280 µA
ISD IN Shutdown Current VEN/UVLO < VSD 1 2 µA
VUVP(R) IN Undervoltage Protection threshold VIN Rising 2.44 2.54 2.64 V
VUVP(F) VIN Falling 2.33 2.43 2.53 V
OUTPUT VOLTAGE CLAMP (OUT) - TPS25962X
VOVC Overvoltage Clamp Threshold ROVCSEL = Short to GND 3.8 V
ROVCSEL = 400 KΩ to GND 5.7 V
ROVCSEL = OPEN 13.7 V
VCLAMP Output Voltage During Clamping ROVCSEL = Short to GND 3.4 V
ROVCSEL = 400 KΩ to GND 5.2 V
ROVCSEL = OPEN 13 V
OUTPUT CURRENT LIMIT AND MONITOR (ILM)
GIMON Current monitor gain as
measured on ILM pin
(IILM / IOUT)		 IOUT = 0.25 A 660 µA/A
IOUT = 2 A 660 µA/A
ILIM IOUT Current Limit RILM = 453 Ω 2.01 A
RILM = 909 Ω 1.01 A
RILM = 3.83 KΩ 0.25 A
RILM = 7.87 KΩ 0.13 A
RILM = OPEN 0 A
ICB IOUT Circuit Breaker Threshold
during RILM Short condition		 RILM = Short to GND (Single Point Failure Test IEC 62368-
1)		 1 A
ON-RESISTANCE (IN TO OUT)
RON ON State Resistance VIN < 4 V, IOUT = 0.2 A, TJ = 25 ℃ 90 100 mΩ
VIN < 4 V, IOUT = 0.2 A, TJ = -40 to 85 ℃ 128 mΩ
VIN < 4 V, IOUT = 0.2 A, TJ = -40 to 105 ℃ 137 mΩ
VIN < 4 V, IOUT = 0.2 A, TJ = -40 to 125 ℃ 148 mΩ
VIN > 4 V, IOUT = 0.2 A, TJ = 25 ℃ 85 93 mΩ
VIN > 4 V, IOUT = 0.2 A, TJ = -40 to 85 ℃ 118 mΩ
VIN > 4 V, IOUT = 0.2 A, TJ = -40 to 105 ℃ 126 mΩ
VIN > 4 V, IOUT = 0.2 A, TJ = -40 to 125 ℃ 134 mΩ
ENABLE/UNDERVOLTAGE LOCK OUT (EN/UVLO)
VUVLO(R) UVLO Threshold VEN Rising 1.13 1.2 1.27 V
VUVLO(F) VEN Falling 1.03 1.1 1.17 V
VSD VEN threshold for lowest shutdown current VEN Falling 0.6 V
IENLKG EN leakage current –0.1 0.1 µA
OVERVOLTAGE LOCK OUT - TPS25963X
VOVLO(R) OVLO Threshold VOVLO Rising 1.13 1.2 1.27 V
VUVLO(F) VOVLO Falling 1.03 1.1 1.17 V
IOVLKG OVLO pin leakage current 0.5 ≤ VOVLO ≤1.5V –0.1 0.1 uA
FAULT INDICATION (FLT)
RFLTB FLT Internal Pull-down resistance FLT asserted 12 Ω
IFLTLKG FLT pin leakage current FLT de-asserted –0.1 0.1 µA
OVERTEMPERATURE PROTECTION (OTP)
TSD Thermal Shutdown Rising Threshold TJ Rising 156 °C
TSDHYS Thermal Shutdown Hysteresis TJ Falling 10 °C
DVDT
IDVDT dVdt Pin Charging Current 2 µA