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  • TPS16530 58 V、4.5 A 电子保险丝(带脉冲电流支持),用于负载瞬态

    • ZHCSNE6 August   2021 TPS1653

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  • TPS16530 58 V、4.5 A 电子保险丝(带脉冲电流支持),用于负载瞬态
  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 Recommended Operating Conditions
    4. 6.4 Thermal Information
    5. 6.5 Electrical Characteristics
    6. 6.6 Timing Requirements
    7. 6.7 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  Hot Plug-In and In-Rush Current Control
        1. 8.3.1.1 Thermal Regulation Loop
      2. 8.3.2  Undervoltage Lockout (UVLO)
      3. 8.3.3  Overload and Short Circuit Protection
        1. 8.3.3.1 Overload Protection
        2. 8.3.3.2 Short Circuit Protection
          1. 8.3.3.2.1 Start-Up With Short-Circuit On Output
      4. 8.3.4  Current Monitoring Output (IMON)
      5. 8.3.5  FAULT Response (FLT)
      6. 8.3.6  Power Good Output (PGOOD)
      7. 8.3.7  IN, P_IN, OUT and GND Pins
      8. 8.3.8  Thermal Shutdown
      9. 8.3.9  Low Current Shutdown Control (SHDN)
      10. 8.3.10 Enable Input (EN)
    4. 8.4 Device Functional Modes
  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 Programming the Current-Limit Threshold R(ILIM) Selection
        2. 9.2.2.2 Undervoltage Lockout and Overvoltage Set Point
        3. 9.2.2.3 Setting Output Voltage Ramp Time (tdVdT)
          1. 9.2.2.3.1 Support Component Selections RPGOOD and C(IN)
      3. 9.2.3 Application Curves
    3. 9.3 System Examples
      1. 9.3.1 48-V Power Amplifier Protection for Telecom Radios
  10. 10Power Supply Recommendations
    1. 10.1 Transient Protection
  11. 11Layout
    1. 11.1 Layout Guidelines
    2. 11.2 Layout Example
  12. 12Device and Documentation Support
    1. 12.1 Documentation Support
      1. 12.1.1 Related Documentation
    2. 12.2 接收文档更新通知
    3. 12.3 支持资源
    4. 12.4 Trademarks
    5. 12.5 Electrostatic Discharge Caution
    6. 12.6 术语表
  13. 13Mechanical, Packaging, and Orderable Information
  14. 重要声明
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DATA SHEET

TPS16530 58 V、4.5 A 电子保险丝(带脉冲电流支持),用于负载瞬态

本资源的原文使用英文撰写。 为方便起见,TI 提供了译文;由于翻译过程中可能使用了自动化工具,TI 不保证译文的准确性。 为确认准确性,请务必访问 ti.com 参考最新的英文版本(控制文档)。

1 特性

  • 工作电压为 4.5V 至 58V,
    绝对最大值为 67V
  • 集成式 58V、31mΩ RON 热插拔 FET
  • 可调节电流限值:0.6A 至 4.5A (±7%)
  • 在 56V 电压下工作时提供符合 IPC9592B 标准的间隙(20 引脚 HTSSOP)
  • 2x 脉冲电流支持,用于负载瞬态
  • 低静态电流,关断时为 21µA
  • 精度为 ± 2% 的可调节 UVLO 切断
  • 可调节输出压摆率控制,用于实现浪涌电流限制
    • 通过在器件加电期间进行热调节,为大型及未知电容负载充电
  • 电源正常输出 (PGOOD)
  • 可选过流故障响应选项(自动重试和闭锁模式)
  • 模拟电流监控器 (IMON) 输出 (± 6%)
  • 采用易于使用的 20 引脚 HTSSOP 和
    24 引脚 VQFN 封装

2 应用

  • 在电信无线电中提供功率放大器保护
  • 医疗设备
  • 火警控制面板
  • 工业打印机

3 说明

TPS16530 是一款易于使用的正 58V、
4.5A 电子保险丝,具有一个 31mΩ 的集成 FET,不仅提供对负载、电源和电子保险丝本身的保护以及可调特性,例如精确的过流保护、快速短路保护、输出压摆率控制和欠压锁定,还可以使用 PGOOD 来启用和禁用下游直流/直流转换器控制。

借助使能引脚,可以从外部控制内部 FET 的启用和禁用。关断引脚可用于将器件置于低功耗关断模式。为实现系统状态监视和下游负载控制,该器件提供了故障和精确的电流监视器输出。MODE 引脚可用于在两种限流故障响应(闭锁自动重试)之间灵活地对器件进行配置。

这些器件采用 20 引脚 HTSSOP
和 24 引脚 VQFN 封装,并且额定工作温度范围为 -40°C 至 +125°C。

器件信息(1)
器件型号 封装 封装尺寸(标称值)
TPS16530 VQFN (24) 4.00mm × 4.00mm
TPS16530 HTSSOP (20) 6.50mm x 4.40mm
(1) 如需了解所有可用封装,请参阅数据表末尾的可订购产品附录。
简化版原理图
GUID-20210805-CA0I-VCJV-B9CJ-T4ZMVT8MT4NZ-low.png脉冲电流支持

4 Revision History

DATE REVISION NOTES
August 2021 * Initial Release

5 Pin Configuration and Functions

GUID-20210222-CA0I-WPKD-BNXC-W1R08BDCTV5B-low.gifFigure 5-1 TPS16530 RGE Package24-Pin VQFNTop View
GUID-20210219-CA0I-FJTJ-JJ0G-XLKKZXFCG9FH-low.gifFigure 5-2 TPS16530 PWP Package20-Pin HTSSOPTop View
Table 5-1 Pin Functions
PIN TYPE DESCRIPTION
NAME TPS16530
VQFN HTSSOP
IN 1 1 P Power Input. Connects to the DRAIN of the internal FET.
2 2
— 3
P_IN 5 4 P Supply voltage of the device. Always connect P_IN to IN directly.
UVLO 6 6 I Input for setting the programmable undervoltage lockout threshold. An undervoltage event turns off the internal FET and asserts FLT to indicate the power-failure. If not used, this pin can be connected to IN or P_IN.
EN 7 8 I Active low enable pin. If not used, this pin can be connected to GND. Do not leave this pin open or floating.
GND 8 9 — Connect GND to system ground
dVdT 9 10 I/O A capacitor from this pin to GND sets output voltage slew rate. Leaving this pin floating enables device power up in thermal regulation resulting in fast output charge. See the Hot Pug-In and In-Rush Current Control section.
ILIM 10 11 I/O A resistor from this pin to GND sets the overload limit. See Overload and Short Circuit Protection section.
MODE 11 12 I Mode selection pin for Overload fault response. See the Device Functional Modes section.
SHDN 12 13 I Shutdown pin. Pulling SHDN low makes the device to enter into low power shutdown mode. Cycling SHDN pin voltage resets the device that has latched off due to a fault condition.
IMON 13 14 O Analog current monitor output. This pin sources a scaled down ratio of current through the internal FET. A resistor from this pin to GND converts current to proportional voltage. If unused, leave this pin floating.
FLT 14 15 O Fault event indicator. It is an open drain output. If unused, leave floating or connect to GND.
PGOOD 16 16 O Active High. A high indicates that the internal FET is enhanced. PGOOD goes low when the internal FET is turned OFF during a fault or when SHDN is pulled low. If PGOOD is unused then connect to GND or leave it floating.
OUT 17 18 P Power Output of the device
18 19
— 20
N.C 3 5 — Internally Not connected. Can be connected to other pins (P_IN, OUT, GND) for enhanced thermal performance.
4 7
15 17
19 —
20 —
21 —
22 —
23 —
24 —
PowerPAD™ — Connect the PowerPAD to GND plane for heat sinking. Do not use the PowerPAD as the only electrical connection to GND.

6 Specifications

6.1 Absolute Maximum Ratings

over operating free-air temperature range (unless otherwise noted)(1)
MIN MAX UNIT
IN, P_IN, OUT, UVLO, FLT, PGOOD Input Voltage –0.3 67 V
EN, dVdT, IMON, MODE, SHDN, ILIM Input Voltage –0.3 5.5
I FLT , IdVdT, IPGOOD Sink current 10 mA
IdVdT, IILIM , IMODE, I SHDN   Source current Internally limited
TJ Operating Junction temperature –40 150 °C
Transient junction temperature –40 T(TSD)
Tstg Storage temperature –65 150
(1)  Operation outside the Absolute Maximum Ratings may cause permanent device damage. Absolute Maximum Ratings do not imply functional operation of the device at these or any other conditions beyond those listed under Recommended Operating Conditions. If used outside the Recommended Operating Conditions but within the Absolute Maximum Ratings, the device may not be fully functional, and this may affect device reliability, functionality, performance, and shorten the device lifetime.

 

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