SLOSE50A April   2020  – June 2021

PRODUCTION DATA  

  1. Features
  2. Applications
  3. Description
  4. Revision History
  5. Pin Configuration and Functions
    1.     Pin Functions
  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
      1. 6.5.1 Typical Characteristics
  7. Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagrams
    3. 7.3 Feature Description
      1. 7.3.1 Bridge Control
      2. 7.3.2 Current Regulation
      3. 7.3.3 Decay Modes
        1. 7.3.3.1 Mixed Decay
        2. 7.3.3.2 Fast Decay
        3. 7.3.3.3 Smart tune Dynamic Decay
        4. 7.3.3.4 Smart tune Ripple Control
        5. 7.3.3.5 Blanking time
      4. 7.3.4 Charge Pump
      5. 7.3.5 Linear Voltage Regulators
      6. 7.3.6 Logic and Quad-Level Pin Diagrams
        1. 7.3.6.1 nFAULT Pin
      7. 7.3.7 Protection Circuits
        1. 7.3.7.1 VM Undervoltage Lockout (UVLO)
        2. 7.3.7.2 VCP Undervoltage Lockout (CPUV)
        3. 7.3.7.3 Overcurrent Protection (OCP)
        4. 7.3.7.4 Thermal Shutdown (OTSD)
        5.       Fault Condition Summary
    4. 7.4 Device Functional Modes
      1. 7.4.1 Sleep Mode (nSLEEP = 0)
      2. 7.4.2 Operating Mode (nSLEEP = 1)
      3. 7.4.3 nSLEEP Reset Pulse
      4.      Functional Modes Summary
  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 Current Regulation
          1. 8.2.2.1.1 Power Dissipation and Thermal Calculation
          2. 8.2.2.1.2 Application Curves
  9. Power Supply Recommendations
    1. 9.1 Bulk Capacitance Sizing
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
  11. 11Device and Documentation Support
    1. 11.1 Documentation Support
      1. 11.1.1 Related Documentation
    2. 11.2 Receiving Notification of Documentation Updates
    3. 11.3 Support Resources
    4. 11.4 Trademarks
    5. 11.5 Electrostatic Discharge Caution
    6. 11.6 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

Electrical Characteristics

Typical values are at TA = 25°C and VVM = 24 V. All limits are over recommended operating conditions, unless otherwise noted.
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
POWER SUPPLIES (VM, DVDD)
IVMVM operating supply currentnSLEEP = 1, No motor load

4

5.5mA
IVMQVM sleep mode supply currentnSLEEP = 024μA
tSLEEPSleep timenSLEEP = 0 to sleep-mode

120

μs
tRESETnSLEEP reset pulsenSLEEP low to clear fault

20

40

μs
tWAKEWake-up timenSLEEP = 1 to output transition0.81.2ms
tONTurn-on timeVM > UVLO to output transition0.81.2ms
VDVDDInternal regulator voltageNo external load, 6 V < VVM < 48 V4.7555.25V
No external load,

VVM = 4.5V

4.2

4.35

V

CHARGE PUMP (VCP, CPH, CPL)
VVCPVCP operating voltage6 V < VVM < 48 VVVM + 5V
f(VCP)Charge pump switching frequencyVVM > UVLO; nSLEEP = 1360kHz
LOGIC-LEVEL INPUTS (PH, EN, IN1, IN2, nSLEEP)
VILInput logic-low voltage00.6V
VIHInput logic-high voltage1.55.5V
VHYSInput logic hysteresis150mV
IILInput logic-low currentVIN = 0 V–11μA
IIHInput logic-high currentVIN = 5 V100μA
tPDPropagation delayPH, EN, INx input to current change800ns
QUAD-LEVEL INPUTS (DECAY, TOFF)
VI1Input logic-low voltageTied to GND00.6V
VI2330kΩ ± 5% to GND11.251.4V
VI3Input Hi-Z voltageHi-Z (>500kΩ to GND)1.822.2V
VI4Input logic-high voltageTied to DVDD2.75.5V
IOOutput pull-up current10μA
CONTROL OUTPUTS (nFAULT)
VOLOutput logic-low voltageIO = 5 mA0.5V
IOHOutput logic-high leakage–11μA
MOTOR DRIVER OUTPUTS (OUT1, OUT2)
RDS(ONH)High-side FET on resistanceTJ = 25 °C, IO = -1 A82100mΩ
TJ = 125 °C, IO = -1 A125150mΩ
TJ = 150 °C, IO = -1 A140175mΩ
RDS(ONL)Low-side FET on resistanceTJ = 25 °C, IO = 1 A82100mΩ
TJ = 125 °C, IO = 1 A125150mΩ
TJ = 150 °C, IO = 1 A140175mΩ
tSROutput slew rateVM = 24V, IO = 1 A, Between 10% and 90%240V/µs
CURRENT REGULATION (VREF)
IVREFVREF Leakage CurrentVREF = 3.3 V

8.25

μA
tOFFPWM off-timeTOFF = 07μs
TOFF = 116
TOFF = Hi-Z24
TOFF = 330 kΩ to GND32

ΔITRIP

ITRIP Current Accuracy

0.5 A < ITRIP < 1 A

-12

12

%

1 A < ITRIP < 2 A

-6

6

2 A < ITRIP < 5 A

-4

4

PROTECTION CIRCUITS
VUVLOVM UVLO lockoutVM falling, UVLO falling4.14.254.35V
VM rising, UVLO rising4.24.354.45
VUVLO,HYSUndervoltage hysteresisRising to falling threshold100mV
VCPUVCharge pump undervoltageVCP fallingVVM + 2V
IOCPOvercurrent protectionCurrent through any FET8A
tOCPOvercurrent deglitch time2μs
TOTSDThermal shutdownDie temperature TJ150165180°C
THYS_OTSDThermal shutdown hysteresisDie temperature TJ20°C