ZHCSH03C August   2017  – June 2019 TPS1H000-Q1

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用
  3. 3 说明
    1.     Device Images
      1.      典型方框图
      2.      “自动重试”模式下的电流限制保护
  4. 4 修订历史记录
  5. 5 Pin Configuration and Functions
    1.     Pin 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 Switching Characteristics
    7. 6.7 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 Current Limit
      2. 7.3.2 DELAY Pin Configuration
        1. 7.3.2.1 Holding Mode
        2. 7.3.2.2 Latch-Off Mode
        3. 7.3.2.3 Auto-Retry Mode
      3. 7.3.3 Standalone Operation
      4. 7.3.4 Fault Truth Table
      5. 7.3.5 Full Diagnostics
        1. 7.3.5.1 Short-to-GND and Overload Detection
        2. 7.3.5.2 Open-Load Detection
          1. 7.3.5.2.1 Output On
          2. 7.3.5.2.2 Output Off
        3. 7.3.5.3 Short-to-Battery Detection
        4. 7.3.5.4 Thermal Fault Detection
          1. 7.3.5.4.1 Thermal Shutdown
          2. 7.3.5.4.2 Thermal Swing
          3. 7.3.5.4.3 Fault Report Holding
      6. 7.3.6 Full Protections
        1. 7.3.6.1 UVLO Protection
        2. 7.3.6.2 Inductive Load Switching Off Clamp
        3. 7.3.6.3 Loss-of-GND Protection
        4. 7.3.6.4 Loss-of-Power-Supply Protection
        5. 7.3.6.5 Reverse-Current Protection
        6. 7.3.6.6 MCU I/O Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Working Modes
        1. 7.4.1.1 Normal Mode
        2. 7.4.1.2 Standby Mode
        3. 7.4.1.3 Standby Mode With Diagnostics
  8. 8 Application and Implementation
    1. 8.1 Application Information
    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
  11. 11器件和文档支持
    1. 11.1 接收文档更新通知
    2. 11.2 社区资源
    3. 11.3 商标
    4. 11.4 静电放电警告
    5. 11.5 Glossary
  12. 12机械、封装和可订购信息

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

6.5 Electrical Characteristics

over operating ambient temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
OPERATING VOLTAGE
VVS(nom) Nominal operating voltage 4 40 V
VVS(uvr) Undervoltage restart VVS rising 3.5 3.7 4 V
VVS(uvf) Undervoltage shutdown VVS falling 3 3.2 3.4 V
V(uv,hys) Undervoltage shutdown, hysteresis 0.5 V
OPERATING CURRENT
I(op) Nominal operating current VVS = 13.5 V, VIN = 5 V, VDIAG_EN = 0 V, IOUT = 0.1 A, ICL = 0.5 A. 5 mA
I(off) Standby current VVS = 13.5 V, VIN = VDIAG_EN = VCL = VOUT = 0 V, TJ = 25 °C 0.5 µA
VVS = 13.5 V, VIN = VDIAG_EN = VCL = VOUT = 0 V, TJ = 125 °C 3
I(off,diag) Standby current with diagnostics enabled VVS = 13.5 V, VIN = 0 V, VDIAG_EN = 5 V 3 mA
t(off,deg) Standby-mode deglitch time(1) IN from high to low, if deglitch time≥ t(off,deg), the device enters into standby mode. 12.5 ms
Ilkg(out) Output leakage current in off-state VVS = 13.5 V, VIN = VDIAG_EN = VOUT = 0 V 3 µA
POWER STAGE
rDS(on) On-state resistance VVS ≥ 3.5 V, TJ = 25°C 1000 mΩ
VVS ≥ 3.5 V, TJ = 150°C 2000
ICL(int) Internal current limit CL pin connected to GND 1 1.8 A
ICL(TSD) Current-limit value percentage during thermal shutdown 60%
VDS(clamp) Drain−to−source voltage internally clamped 45 65 V
OUTPUT DIODE CHARACTERISTICS
VF Drain−to-source diode voltage IN = 0, IOUT = −0.15 A 0.3 0.7 1 V
IR(1) Continuous reverse current from source to drain during a short-to-battery condition(1) t < 60 s, VIN= 0 V, TJ = 25°C. 1 A
IR(2) Continuous reverse current from source to drain during a reverse-polarity condition(1) t < 60 s, VIN= 0 V, TJ = 25°C. GND pin 1-kΩ resistor in parallel with diode. 1 A
LOGIC INPUT (IN, DIAG_EN)
VIH Logic high-level voltage 2 V
VIL Logic low-level voltage 0.8 V
Rpd,in Logic-pin pulldown resistor IN. VIN = 5 V 150 400 kΩ
DIAG_EN. VVS = VDIAG_EN = 5 V 350 850
DIAGNOSTICS
Ilkg(loss,GND) Loss of ground output leakage current 100 µA
td(ol,on) Open-load deglitch time in on-state VIN = 5 V, VDIAG_EN = 5 V, when IOUT < I(ol,on), duration longer than td(ol,on), open load is detected. 200 300 450 µs
I(ol,on) Open-load detection threshold in on-state VIN = 5 V, VDIAG_EN = 5 V, when IOUT < I(ol,on), duration longer than td(ol,on), open load is detected. 1 5 8 mA
V(ol,off) Open-load detection threshold in off-state VIN = 0 V, VDIAG_EN = 5 V, when VVS – VOUT < V(ol,off), duration longer than td(ol,off), open load is detected. 1.4 2.6 V
td(ol,off) Open-load deglitch time in off-state VIN = 0 V, VDIAG_EN = 5 V, when VVS – VOUT < V(ol,off), duration longer than td(ol,off), open load is detected. 200 300 450 µs
I(ol,off) Off-state output sink current VIN = 0 V, VDIAG_EN = 5 V, VVS = VOUT = 13.5 V –70 µA
VFAULT FAULT low output voltage IFAULT = 2 mA 0.2 V
tFAULT FAULT signal holding time(1) 8.5 ms
T(SD) Thermal shutdown threshold(1) 175 °C
T(SD,rst) Thermal shutdown status reset(1) 155 °C
T(sw) Thermal swing shutdown threshold(1) 60 °C
T(hys) Hysterisis for resetting the thermal shutdown and swing(1) 10 °C
CURRENT LIMIT AND DELAY CONFIGURATION
K(CL) Current-limit current ratio(1) 600
VCL(th) Current-limit internal threshold voltage(1) 0.8 V
dK(CL)/K(CL) External current limit accuracy(2) (IOUT – ICL × K(CL)) × 100 / (ICL × K(CL)) Ilimit ≥ 0.05 A， VVS – VOUT ≥ 2.5V –20% 20%
Ilimit ≥ 0.15 A ， VVS – VOUT ≥ 2.5V –15% 15%
Ilimit ≥ 0.3 A, Ilimit < 1 A， VVS – VOUT ≥ 2.5V –10% 10%
Idl(chg) Delay pin charging current in latch-off mode(1) 4.5 µA
Vdl(th) Pulling up threshold in auto-retry mode 2.7 V
Vdl(ref) Internal reference voltage in latch-off mode 1.45 V
tdl1 Internal fixed delay time(1) 300 400 500 µs
tdl2 Adjustable delay time by external capacitor on DELAY pin(1) Connect with 3.3 uF capacitor as the maximum value. 1000 ms
tCL(deg) Deglitch time when current limit (1) IN low to high, VDIAG_EN = 5 V, the deglitch time from IN rising edge to FAULT reporting out. 300 500 µs
IN keeps high, VDIAG_EN = 5 V, the deglitch time from CL start-point to FAULT reporting out. 80 180
thic(on) On-time when in auto-retry mode(1) 35 40 45 ms
thic(off) Off-time when in auto-retry mode(1) 0.8 1 1.2 s
(1) Value specified by design, not subject to production test
(2) External current limit accuracy is only applicable to overload conditions greater than 1.5 x the current limit setting