ZHCSC12D November   2013  – October 2019 DRV8850

PRODUCTION DATA.  

  1. 1 特性
  2. 2 应用范围
  3. 3 说明
    1.     Device Images
      1.      简化原理图
  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 Timing Requirements
    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 Power Supervisor
      2. 7.3.2 Bridge Control
      3. 7.3.3 Current Sensing – VPROPI
      4. 7.3.4 Slew-Rate Control
      5. 7.3.5 Dead Time
      6. 7.3.6 Propagation Delay
      7. 7.3.7 Power Supplies and Input Pins
      8. 7.3.8 LDO Voltage Regulator
      9. 7.3.9 Protection Circuits
        1. 7.3.9.1 Overcurrent Protection (OCP)
        2. 7.3.9.2 Thermal Shutdown (TSD)
        3. 7.3.9.3 Undervoltage Lockout (UVLO)
        4. 7.3.9.4 Overvoltage Lockout (OVLO)
    4. 7.4 Device Functional Modes
  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
        1. 8.2.2.1 Motor Voltage
        2. 8.2.2.2 Drive Current
      3. 8.2.3 Application Curves
  9. 9 Power Supply Recommendations
    1. 9.1 Bulk Capacitance
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
    3. 10.3 Thermal Considerations
      1. 10.3.1 Power Dissipation
  11. 11器件和文档支持
    1. 11.1 文档支持
      1. 11.1.1 相关文档
    2. 11.2 接收文档更新通知
    3. 11.3 社区资源
    4. 11.4 商标
    5. 11.5 静电放电警告
    6. 11.6 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

TA = 25°C, over recommended operating conditions unless otherwise noted
PARAMETER TEST CONDITIONS MIN NOM MAX UNIT
POWER SUPPLIES (VCC)
IVCC VCC operating supply current, LDO regulator and driver enabled VCC = 4.2 V,
nSLEEP = LDOEN = VCC		 2.9 mA
IVCQ1 VCC sleep mode supply current VCC = 4.2 V, nSLEEP = LDOEN = 0 V,
INXH = INXL = 0 V		 1 μA
IVCQ2 VCC operating supply current, LDO regulator enabled, driver disabled(1) VCC = 4.2 V, nSLEEP = 0 V,
LDOEN = VCC, INXH = INXL = 0 V		 40 μA
IVCQ3 VCC operating supply current LDO voltage regulator disabled, driver enabled VCC = 4.2 V, nSLEEP = VCC,
LDOEN = 0 V		 2.9 mA
VUVLO VCC undervoltage lockout voltage VCC rising 2 V
VCC falling 1.95
VOVLO VCC overvoltage lockout voltage VCC rising 5.6 V
VCC falling 5.5
LOGIC-LEVEL INPUTS (LDOEN, IN1H, IN1L, IN2H, IN2L, nSLEEP)
VIL Input low voltage 0 0.2 × VCC V
VIH Input high voltage 0.5 × VCC VCC V
VHYS Input hysteresis 0.08 × VCC V
IIL Input low current VIN = 0 –1 1 μA
IIH Input high current VIN = 3.3 V 50 μA
RPD Pulldown resistance LDOEN 3.5 MΩ
nSLEEP 400 kΩ
INXH, INXL 200 kΩ
VPROPI OUTPUT (VPROPI)
IVPROPI VPROPI output current VCC = 4.2 V, resistor chosen to keep VPROPI ≤ (VCC – 1 V) / IOUT
500 mA ≤ IOUT ≤ 5 A		 IOUT / 2000 A
H-BRIDGE FETS (OUT1, OUT2)
RDS(ON) HS FET on resistance VCC = 4.2 V, IOUT = 2 A, TA = 25°C 35 45 mΩ
VCC = 4.2 V, IOUT = 2 A, TA = 85°C 49
LS FET on resistance VCC = 4.2 V, IOUT = 2 A, TA = 25°C 30 40 mΩ
VCC = 4.2 V, IOUT = 2 A, TA = 85°C 44
IOFF Off-state leakage current VOUT = 0 V –1 1 μA
LDO REGULATOR (LDOOUT)
VFB LDO feedback (reference) voltage 0.76 0.8 0.84 V
VDO LDO regulator dropout voltage VCC = 4.2 V, IOUT = 100 mA,
TA = 25°C		 150 mV
VCC = 4.2 V, IOUT = 100 mA,
TA = 85°C		 175 mV
ΔVLINE LDO line regulation VCC from 4.2 to 5.5 V,
VOUT = 3.3 V		 –2.5% 2.5%
ΔVLOAD LDO load regulation VOUT = 3.3 V,
IOUT from 1 to 100 mA		 –2.5% 2.5%
ICL LDO output current limit VCC = 4.2 V,
VOUT = 3.3 V, TA ≥ 25°C		 275 mA
PROTECTION CIRCUITS
IOCP Overcurrent protection trip level VCC = 2.5 to 5.5 V 9.5 A
tOCP Overcurrent protection deglitch time 1 µs
tRETRY Overcurrent retry time 4 ms
tTSD Thermal shutdown temperature Die temperature (rising) 150 160 180 °C
tHYS Thermal shutdown hysteresis Temperature hysteresis 50 °C
(1) Does not include the current consumption from the feedback resistors.
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