SLVSDN2E January   2018  – March 2021 DRV10974

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  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 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 Speed Input and Control
      2. 7.3.2 Motor Direction Change
      3. 7.3.3 Motor-Frequency Feedback (FG)
      4. 7.3.4 Lock Detection
        1. 7.3.4.1 Lock Kt Measure
        2. 7.3.4.2 Lock No Motor
        3. 7.3.4.3 Lock Open Loop Abnormal
        4. 7.3.4.4 Lock BEMF Abnormal
        5. 7.3.4.5 Lock Closed Loop Abnormal
        6. 7.3.4.6 Lock Speed Abnormal
      5. 7.3.5 Soft Current-Limit
      6. 7.3.6 Short-Circuit Current Protection
      7. 7.3.7 Overtemperature Protection
      8. 7.3.8 Undervoltage Protection
    4. 7.4 Device Functional Modes
      1. 7.4.1 Spin-Up Settings
        1. 7.4.1.1 Motor Start
        2. 7.4.1.2 Initial Speed Detect
        3. 7.4.1.3 Align
      2. 7.4.2 Open-Loop Acceleration
      3. 7.4.3 Start-Up Current Sensing
      4. 7.4.4 Closed Loop
      5. 7.4.5 Control Advance Angle
  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. 11Device and Documentation Support
    1. 11.1 Device Support
    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

6.5 Electrical Characteristics

over operating junction temperature range (unless otherwise noted)
PARAMETERTEST CONDITIONSMINTYPMAXUNIT
SUPPLY CURRENT
ICCSupply currentTA = 25°C, VCC = 12 V, no motor load57mA
ICC(LP)Low power modeTA = 25°C, VCC = 12 V380µA
UVLO
V(UVLO_F)VCC UVLO falling4.24.34.4V
V(UVLO_R)VCC UVLO rising4.54.74.85V
Vhys(UVLO)VCC UVLO hysteresis400mV
VVCP(UVLO_F)Charge pump UVLO fallingVVCP – VCC3.353.74.05V
VVCP(UVLO_R)Charge pump UVLO risingVVCP – VCC3.654.04.37V
Vhys(VCP)Charge pump UVLO hysteresis330mV
V(V1P8_F)V1P8 UVLO falling1.251.41.55V
V(V1P8_R)V1P8 UVLO rising1.351.51.65V
Vhys(V1P8)V1P8 UVLO hysteresis100mV
VOLTAGE REGULATORS
VV1P8V1P8 voltageTA = 25°C, C(V1P8) = 1 μF1.71.81.9V
IV1P8Maximum external load from V1P8TA = 25°C, C(V1P8) = 1 μF3mA
INTEGRATED MOSFET
rds(on)_HSHigh-side FET on-resistanceTA = 25°C, VCC = 12 V, IO = 100 mA0.3750.425Ω
rds(on)_LSLow-side FET on-resistanceTA = 25°C, VCC = 12 V, IO = 100 mA0.3750.425Ω
PHASE DRIVER
SLPH_LHPhase slew rate switching low to highSlewRate = 0; measure 20% to 80%; VCC = 12 V; phase current > 20 mA70120170V/μs
SLPH_HLPhase slew rate switching high to lowSlewRate = 0; measure 80% to 20%; VCC = 12 V; phase current > 20 mA70120170V/μs
fPWM_OUTPhase output PWM frequency25kHz
tdead_timeRecommended dead time440ns
CHARGE PUMP
VVCPVCP voltageVCC = 4.4 V to 18 VVCC + 4VCC + 5VCC + 5.5V
CURRENT LIMIT
ILIMITCurrent-limit thresholdVCC = 12 V, R(CS) = 7.32 kΩ ±1%0.2A
VCC = 12 V, R(CS) = 16.2 kΩ ±1%0.4
VCC = 12 V, R(CS) = 25.5 kΩ ±1%0.6
VCC = 12 V, R(CS) = 38.3 kΩ ±1%0.8
VCC = 12 V, R(CS) = 54.9 kΩ ±1%1
VCC = 12 V, R(CS) = 80.6 kΩ ±1%1.2
VCC = 12 V, R(CS) = 115 kΩ ±1%1.4
VCC = 12 V, R(CS) = 182 kΩ ±1%, open loop and closed loop current limit1.6
VCC = 12 V, R(CS) = 182 kΩ ±1%, align current limit1.5
RANGE OF MOTORS SUPPORTED
RmMotor resistance measurementPhase to center tap120Ω
KtMotor BEMF constant measurementPhase to center tap5150mV/Hz
tALIGNMotor align time0.67s
PWM - DIGITAL MODE
VIH(DIG)PWM input high voltage2.2V
VIL(DIG)PWM input low voltage0.6V
ƒPWMPWM input frequency0.1100kHz
DCMAXMaximum output PWM duty cycleVVCC < 14 V100 %
VVCC ≥ 14 V[(14 / VVCC) × 100] %
DCMINMinimum output PWM duty cycle device needs to guarantee (irrespective of input PWM DC)Lower duty cycle from 15% down15%
DCON_MINMinimum input duty cycle that device uses to drive motor1.5 %
DCSTEPDuty cycle step size/resolution0.2 %
VIH(AUTO)PWM input high voltage for auto detection1.621.6951.77V
VIL(AUTO)PWM input low voltage for exiting PWM mode1.3151.391.465V
Rpu(PWM)Internal PWM pullup resistor to V3P3120kΩ
LOW-POWER MODE
t(EX_LPM)PWM pulse duration to exit low-power modePWM > VIH(DIG)1µs
V(EX_LPM)PWM voltage to exit low-power mode1.5V
t(EN_LPM)PWM low time to enter low-power modePWM < VIL(DIG);motor stationary25ms
PWM - ANALOG MODE
VANA_FSAnalog full-speed voltage1.8V
VANA_ZSAnalog zero-speed voltage20mV
Rout(PWM)External  analog driver output impedance50kΩ
tSAMAnalog speed sample period320µs
VANA_RESAnalog voltage resolution3.5mV
DIGITAL I/O (FG OUTPUT, FR INPUT)
fFG_MINMinimum FG output frequency during coast10Hz
VIH(FR)Input high2.2V
VIL(FR)Input low0.6V
I(FG_SINK)Output sink current, FGVO = 0.3 V5mA
Rpu(FG)Internal FG pullup resistor to 3.3V20kΩ
Rpd(FR)Internal FR pulldown resistor to ground100kΩ
LOCK DETECTION RELEASE TIME
t(LOCK_OFF)Lock release time5s
OVERCURRENT PROTECTION
IOC_limitOvercurrent protectionTA = 25°C2.5A
tOC_retryOvercurrent protection retry time5s
THERMAL SHUTDOWN
TSDShutdown temperature threshold140150°C
TSD(hys)Shutdown temperature threshold hysteresis15°C
LEAD ANGLE
ADVselectLead angle selectionVCC = 12 V, R(ADV) = 10.7 kΩ ±1%10µs
VCC = 12 V, R(ADV) = 14.3 kΩ ±1%25
VCC = 12 V, R(ADV) = 17.8 kΩ ±1%50
VCC = 12 V, R(ADV) = 22.1 kΩ ±1%100
VCC = 12 V, R(ADV) = 28 kΩ ±1%150
VCC = 12 V, R(ADV) = 34 kΩ ±1%200
VCC = 12 V, R(ADV) = 41.2 kΩ ±1%250
VCC = 12 V, R(ADV) = 49.9 kΩ ±1%300
VCC = 12 V, R(ADV) = 59 kΩ ±1%400
VCC = 12 V, R(ADV) = 71.5 kΩ ±1%500
VCC = 12 V, R(ADV) = 86.6 kΩ ±1%600
VCC = 12 V, R(ADV) = 105 kΩ ±1%700
VCC = 12 V, R(ADV) = 124 kΩ ±1%800
VCC = 12 V, R(ADV) = 150 kΩ ±1%900
VCC = 12 V, R(ADV) = 182 kΩ ±1%1000
ACCELERATION RAMP RATE
RMPselectRMP selection for acceleration profileVCC = 12 V, R(RMP) = 7.32 kΩ ±1%0code
VCC = 12 V, R(RMP) = 10.7 kΩ ±1%1
VCC = 12 V, R(RMP) = 14.3 kΩ ±1%2
VCC = 12 V, R(RMP) = 17.8 kΩ ±1%3
VCC = 12 V, R(RMP) = 22.1 kΩ ±1%4
VCC = 12 V, R(RMP) = 28 kΩ ±1%5
VCC = 12 V, R(RMP) = 34 kΩ ±1%6
VCC = 12 V, R(RMP) = 41.2 kΩ ±1%7
VCC = 12 V, R(RMP) = 49.9 kΩ ±1%8
VCC = 12 V, R(RMP) = 59 kΩ ±1%9
VCC = 12 V, R(RMP) = 71.5 kΩ ±1%10
VCC = 12 V, R(RMP) = 86.6 kΩ ±1%11
VCC = 12 V, R(RMP) = 105 kΩ ±1%12
VCC = 12 V, R(RMP) = 124 kΩ ±1%13
VCC = 12 V, R(RMP) = 150 kΩ ±1%14
VCC = 12 V, R(RMP) = 182 kΩ ±1%15