ZHCSP75A July   2022  – December 2022 TPS1HC30-Q1

PRODUCTION DATA  

  1. 1 特性
  2. 2 应用
  3. 3 说明
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1 Absolute Maximum Ratings
    2. 6.2 ESD Ratings
    3. 6.3 建议运行条件
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 SNS Timing Characteristics
    7. 6.7 Switching Characteristics
    8. 6.8 Typical Characteristics
  7. 7 Parameter Measurement Information
  8. 8 Detailed Description
    1. 8.1 Overview
    2. 8.2 Functional Block Diagram
    3. 8.3 Feature Description
      1. 8.3.1 Accurate Current Sense
      2. 8.3.2 Programmable Current Limit
        1. 8.3.2.1 Capacitive Charging
      3. 8.3.3 Inductive-Load Switching-Off Clamp
      4. 8.3.4 Full Protections and Diagnostics
        1. 8.3.4.1  Short-Circuit and Overload Protection
        2. 8.3.4.2  Open-Load and Short-to-Battery Detection
        3. 8.3.4.3  Short-to-Battery Detection
        4. 8.3.4.4  Reverse-Polarity and Battery Protection
        5. 8.3.4.5  Latch-Off Mode
        6. 8.3.4.6  Thermal Protection Behavior
        7. 8.3.4.7  UVLO Protection
        8. 8.3.4.8  Loss of GND Protection
        9. 8.3.4.9  Loss of Power Supply Protection
        10. 8.3.4.10 Reverse Current Protection
        11. 8.3.4.11 Protection for MCU I/Os
      5. 8.3.5 Diagnostic Enable Function
    4. 8.4 Device Functional Modes
      1. 8.4.1 Working Mode
  9. 9 Application and Implementation
    1. 9.1 Application Information
    2. 9.2 Typical Application
      1. 9.2.1 Design Requirements
      2. 9.2.2 Detailed Design Procedure
        1. 9.2.2.1 Dynamically Changing Current Limit
        2. 9.2.2.2 EMC Transient Disturbances Test
    3. 9.3 Power Supply Recommendations
    4. 9.4 Layout
      1. 9.4.1 Layout Guidelines
      2. 9.4.2 Layout Example
        1. 9.4.2.1 Without a GND Network
        2. 9.4.2.2 With a GND Network
      3. 9.4.3 Thermal Considerations
  10. 10Device and Documentation Support
    1. 10.1 Documentation Support
      1. 10.1.1 Related Documentation
    2. 10.2 接收文档更新通知
    3. 10.3 支持资源
    4. 10.4 Trademarks
    5. 10.5 静电放电警告
    6. 10.6 术语表
  11. 11Mechanical, Packaging, and Orderable Information

封装选项

机械数据 (封装 | 引脚)
散热焊盘机械数据 (封装 | 引脚)
订购信息

6.7 Switching Characteristics

VBB = 13.5 V, TJ = –40°C to +150°C (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
tDR Channel Turn-on delay time (from Standby) VBB = 13.5 V, RL = 10 Ω 50% of EN to 10% of VOUT 10 40 55 µs
tDR Channel Turn-on delay time (from Active) VBB = 13.5 V, RL = 10 Ω 50% of EN to 10% of VOUT 10 35 45 µs
tDF Channel Turn-off delay time VBB = 13.5 V, RL = 10 Ω 50% of EN to 90% of VOUT 10 30 45 µs
SRR VOUT rising slew rate VBB = 13.5 V, 20% to 80% of VOUT,
RL = 10 Ω		 0.1 0.3 0.6 V/µs
SRF VOUT falling slew rate VBB = 13.5 V, 80% to 20% of VOUT,
RL = 10 Ω		 0.1 0.3 0.6 V/µs
fmax Maximum PWM frequency 0.4 2 kHz
tON Channel Turn-on time VBB = 13.5 V, RL = 10 Ω  50% of EN to 80% of VOUT 30 70 145 µs
tOFF Channel Turn-off time VBB = 13.5 V, RL = 10 Ω  50% of EN to 20% of VOUT 30 70 145 µs
tON – tOFF  Turn-on and off matching 1-ms enable pulse VBB = 13.5 V, RL = 10 Ω –40 40 µs
200-µs enable pulse, VBB = 13.5 V, RL = 10 Ω
 		 –40 40 µs
ΔPWM  PWM accuracy - average load current 200-µs enable pulse (1-ms period), VBB = 13.5 V, RL = 10 Ω 
 		 –25 25 %
≤500 Hz, 50% Duty cycle VBB = 13.5 V, RL = 10 Ω 
 		 –12 12 %
EON Switching energy losses during turn-on VBB = 13.5 V, RL = 10 Ω 0.5 mJ
EOFF Switching energy losses during turn-off VBB = 13.5 V, RL = 10 Ω 0.5 mJ
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