MC33981ABHFKR2 Freescale Semiconductor, MC33981ABHFKR2 Datasheet
MC33981ABHFKR2
Specifications of MC33981ABHFKR2
Related parts for MC33981ABHFKR2
MC33981ABHFKR2 Summary of contents
Page 1
... Output current monitoring • Temperature feedback V DD MCU Figure 1. 33981 Simplified Application Diagram Freescale Semiconductor, Inc. reserves the right to change the detail specifications, as may be required, to permit improvements in the design of its products. © Freescale Semiconductor, Inc., 2007 - 2012. All rights reserved. high DS(ON) Device ...
Page 2
... MC33981BHFK Improved BOM and higher Peak Package Temperature solderability. MC33981ABHFK Notes 1. PPT values can be found on Freescale’s web site, or contact sales. Reference Temperature During Reflow 33981 2 DEVICE VARIATIONS (1) Description (6) (7) , Peak Package Reflow Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 3
... R I DWN DWN I CONF Cross- CONF Conduction Figure 2. 33981 Simplified Internal Block Diagram Analog Integrated Circuit Device Data Freescale Semiconductor INTERNAL BLOCK DIAGRAM Under-voltage Detection Bootstrap Supply Gate Driver Slew Rate Control Current Protection Logic OUT Current Over-temperature Detection GND ...
Page 4
... This pin is the source input of operational power for the device. Positive Power Supply These pins provide a protected high side power output to the load Output connected to the device. page 15. Definition protection level of the external low side MOSFET. DS Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 5
... Continuous high side output rating as long as maximum junction temperature is not exceeded. Calculation of maximum output current using package thermal resistance is required. 4. ESD testing is performed in accordance with the Human Body Model (HBM) (C Model (CDM), Robotic (C = 4.0 pF). ZAP Analog Integrated Circuit Device Data Freescale Semiconductor ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Symbol INHS, INLS, CONF, CSNS, FS, TEMP ...
Page 6
... ID to view all orderable parts. (i.e. MC33xxxD enter 33xxx), and review parametrics. 33981 6 Symbol STG R JC R JA (6) ( PPRT Value Unit ° 125 - 40 to 150 150 C/W 1.0 30.0 °C Note 7 Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 7
... OUT can be commanded fully on, PWM is available at room. Low Side Gate driver is available. Protections and Diagnosis are not available. Min/max parameters are not guaranteed. 9. Source-Drain ON Resistance (Reverse Drain-to-Source ON Resistance) with negative polarity V Analog Integrated Circuit Device Data Freescale Semiconductor -40 C T 125 C, unless otherwise noted. Typical values PWR ...
Page 8
... Analog Integrated Circuit Device Data Typ Max Unit V 6.0 7.0 175 190 °C C – 5.4 6.0 8.4 9.0 12.4 13.0 12.4 13.0 mA 100 – mA 100 – mV – +50 – – V – 1.0 V 600 1200 mV 200 400 k 2 – 14 – -0.3 V A 100 200 Freescale Semiconductor ...
Page 9
... Temperature Feedback Derating Notes 12. Parameter is guaranteed by process monitoring but is not production tested. Analog Integrated Circuit Device Data Freescale Semiconductor STATIC ELECTRICAL CHARACTERISTICS -40 C T 125 C, unless otherwise noted. Typical values PWR C under nominal conditions, unless otherwise noted. ...
Page 10
... V/s 8 200 400 700 500 1000 1500 – kHz 5.0 – 95 100 200 400 1 5.0 resistive load. = 0.5 V with R OUT L = 5.0 resistive load -0.5 V with R OUT PWR L Analog Integrated Circuit Device Data Freescale Semiconductor s s ...
Page 11
... OUT 90% Vout 10% Vout EN t After ON FS CONF INHS INLS OUT GLS Figure 5. Normal Mode, Cross-Conduction Management Analog Integrated Circuit Device Data Freescale Semiconductor TIMING DIAGRAMS t t DLY(ON) DLY(OFF Figure 4. Time Delays Functional Diagrams ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS R PWM 50%V PWR ...
Page 12
... ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS EN t After ON FS CONF High Side ON INHS INLS OUT GLS Figure 6. Normal Mode, Independent High Side and Low Side 33981 12 High Side OFF Analog Integrated Circuit Device Data 0.0 V Freescale Semiconductor ...
Page 13
... Figure 8. Typical Sleep-state Supply Current vs. V 1600 1400 1200 1000 800 600 400 200 0 0 Figure 9. V Rise Time vs. SR Capacitor From 10 OUT Analog Integrated Circuit Device Data Freescale Semiconductor ELECTRICAL PERFORMANCE CURVES 0 50 100 Temperature (°C) Temperature (°C) vs. Temperature at V DS(ON) 6.0 9.0 12.0 12.5 13.0 V ...
Page 14
... ELECTRICAL CHARACTERISTICS ELECTRICAL PERFORMANCE CURVES 0 Figure 10. V Fall Time vs. SR Capacitor From 10 OUT 33981 14 4.0 6.0 2.0 SR Capacitor (nF) OUT 8 °C and PWR Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 15
... N-channel MOSFET and the external low side N-channel MOSFET. The pin has an active internal pull-up current source. When CONF the Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DESCRIPTION INTRODUCTION The 33981 is suitable for loads with high inrush current, as well as motors and all types of resistive and inductive loads ...
Page 16
... Comments . This cycle will continue until the SD after to enable the charge of the ON for maximum device protection any time the 15, the OUT pin is short-circuited to 0V. When , OUT is turned OFF within t OCH Analog Integrated Circuit Device Data Freescale Semiconductor . RST(DIAG) OCH ...
Page 17
... A typical value for this capacitor is 100 nF. An internal charge pump allows continuous MOSFET drive. Analog Integrated Circuit Device Data Freescale Semiconductor When the device is in the sleep mode, this bootstrap supply is off to minimize current consumption. HIGH SIDE GATE DRIVER The high side gate driver switches the bootstrap capacitor voltage to the gate of the MOSFET ...
Page 18
... Over-temperature fault • Over-current fault on OUT • Overload fault on the external low side MOSFET The FS pin will return to logic [1] when the over temperature fault condition is removed. The two other faults are latched. Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 19
... GLS Over-current OUT Overload External Low Side MOSFET H = High level Low level Don’t care Analog Integrated Circuit Device Data Freescale Semiconductor OUT GLS FS EN TEMP CSNS OCLS ...
Page 20
... PROTECTION AND DIAGNOSTIC FEATURES EN CONF INHS INLS OUT GLS FS TEMP TSD Temperature OUT Thermal Shutdown on OUT 33981 20 0.0 V 5.0 V 0.0 V 0.0 V TSD Hysteresis High Side ON Thermal Shutdown on OUT Figure 12. Over-temperature on Output 5.0 V 5.0 V 5.0 V 0.0 V Hysteresis High Side OFF Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 21
... V DS_LS Figure 13. Overload on Low Side Gate Drive, Case 1 EN INLS GLS FS OCLS V DS_LS Figure 14. Overload on Low Side Gate Drive, Case 2 Analog Integrated Circuit Device Data Freescale Semiconductor PROTECTION AND DIAGNOSTIC FEATURES 0 RST(DIAG) 0.0 V Low Side OFF 0 DS_LS = OCLS ...
Page 22
... FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES EN INHS OUT FS CSNS I OUT 33981 22 0 RST(DIAG) 0.0 V 0.0 V VCL (CSNS) 0 OCH Over-current on High Side Figure 15. Over-current on Output Figure 16. High Side Over-current 5.0 V 5.0 V Fault Removed Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 23
... Analog Integrated Circuit Device Data Freescale Semiconductor Current in Motor Figure 17. Cross-Conduction with Low Side Over-temperature INHS TEMP OUT I OUT Figure 18. Over-temperature on OUT FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES Recirculation in Low Side 33981 23 ...
Page 24
... FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES Figure 19. Maximum Operating Frequency for SR Capacitor of 4.7 nF 33981 24 Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 25
... This dual current supply of the high side MOSFET allows a duty cycle from 5% to 100%. An external capacitor connected between pins SR and GND is used to control the slew rate at Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL APPLICATIONS INTRODUCTION V V ...
Page 26
... CISPR 25 gives the schematic test bench described in 23). + 200 200 mm Contact to 0 Ground Plane LISN Ground Out EUT Load Non-Conductive Material High Side Driver Signal Coaxial Cable Ground Plane in Copper Spectrum Analyzer Figure . Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 27
... The 33981 OUT is connected to an inductive load (0.47 + 1.0mH) switching at 20 kHz with duty = 80%. The current in the load was 17 A continuous. Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL APPLICATIONS EMC AND EMI RECOMMENDATIONS BOARD SETUP The initial configuration of our 33981 board is represented ...
Page 28
... Measurements have been done in accordance with the CISPR 25 standard as shown in was the EMC enhanced board. RC Out Filter C2 Filter Filter Figure 29. Enhanced Board Figure 30 shows the spectrum of the Figure 31. The tested board Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 29
... MOSFET in low side configuration. The IC integrates a gate driver that controls and protects this external MOSFET in the event of short-circuit to battery. The Analog Integrated Circuit Device Data Freescale Semiconductor Anechoic Chamber EUT Figure 32. Radiated Emission Spectrum for 33981 ...
Page 30
... Temperature (°C) vs. Temperature DS(ON REQ PWR OUT OFF PWR OUT is the turn on/off time. Figure 36 gives the ) and negative (SR ) slew rate versus different F Figure 37. Analog Integrated Circuit Device Data Freescale Semiconductor ) that 200 . REQ ...
Page 31
... T J temperature, and R the thermal impedance junction to THJA ambient. Analog Integrated Circuit Device Data Freescale Semiconductor RECIRCULATION PHASE In standard configuration, the motor current recirculation is handled by an external freewheeling diode. With the 33981, 0 the freewheeling diode can be replaced by an external low- 1 side discrete MOSFET ...
Page 32
... Power HS Power Diode Power Total Board with Diode Power LS Power Total Board with 100 Ratio PWM % Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 33
... Duty cycle (%) Figure 43. Junction Temperature vs. Duty Cycle Analog Integrated Circuit Device Data Freescale Semiconductor CONCLUSION Knowing the application conditions, this document Figure 43. The explained how to calculate power dissipation during on-state and switching phases and the junction temperature for the 33981 when controlling a DC motor ...
Page 34
... For the most current package revision, visit www.freescale.com and perform a keyword search using “98ARL10521D”. Dimensions shown are provided for reference ONLY. 33981 34 PACKAGING SOLDERING INFORMATION PACKAGING DIMENSIONS FK SUFFIX 16-PIN PQFN 98ARL10521D ISSUE C Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 35
... Analog Integrated Circuit Device Data Freescale Semiconductor FK SUFFIX 16-PIN PQFN 98ARL10521D ISSUE C PACKAGING PACKAGING DIMENSIONS 33981 35 ...
Page 36
... Figure 44. Surface mount for power PQFN 33981 16-PIN PQFN 98ARL10521D 16-PIN PQFN Note For package dimensions, refer to 98ARL10521D. 0.2 mm spacing between PCB pads 0.2 mm spacing between PCB pads with exposed pads Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 37
... Area A: Cu heat-spreading areas on board surface Ambient Conditions: Natural convection, still air Analog Integrated Circuit Device Data Freescale Semiconductor A Figure 45. Thermal Test Board Table 9. Thermal Resistance Performance Area A Thermal 2 Resistance (mm ...
Page 38
... Heat spreading area A [mm²] Figure 46. Device on Thermal Test Board R 1.00E-01 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+04 Time[s] Figure 47. Transient Thermal Resistance R 600 JA11 R JA22 JA12 JA21 , Analog Integrated Circuit Device Data Freescale Semiconductor ...
Page 39
... Updated Freescale form and style • Added MC33981ABHFK to the ordering information 7/2012 11.0 • Added Analog Integrated Circuit Device Data Freescale Semiconductor REVISION HISTORY CSNS Input Clamp Current in MAXIMUM RATINGS Figure 11, Reverse Battery Protection Figure 14, Overload on Low Side Gate Drive, Case 2 ...
Page 40
... Freescale, the Freescale logo, AltiVec, C-5, CodeTest, CodeWarrior, ColdFire, C-Ware, Energy Efficient Solutions logo, mobileGT, PowerQUICC, QorIQ, Qorivva, StarCore, and Symphony are trademarks of Freescale Semiconductor, Inc., Reg. U.S. Pat. & Tm. Off. Airfast, BeeKit, BeeStack, ColdFire+, CoreNet, Flexis, MagniV, MXC, Platform in a Package, Processor expert, QorIQ Qonverge, QUICC Engine, Ready Play, SMARTMOS, TurboLink, Vybrid, and Xtrinsic are trademarks of Freescale Semiconductor, Inc ...