MC33981BPNA Freescale, MC33981BPNA Datasheet

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... MCU Figure 1. 33981 Simplified Application Diagram * This document contains certain information on a new product. Specifications and information herein are subject to change without notice. © Freescale Semiconductor, Inc., 2007 - 2010. All rights reserved. high DS(ON) Device MC33981BPNA/ PWR 33981 CONF VPWR CBOOT ...

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... INTERNAL BLOCK DIAGRAM Under-voltage Detection Bootstrap Supply Gate Driver Slew Rate Control Current Protection Logic OUT Current Over-temperature Detection GND CSNS VPWR CBOOT OUT Recopy Low Side GLS Gate Driver DLS and Protection 5 OCLS OCLS Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... CBOOT Input 13 GND Ground 14 VPWR Input Positive Power Supply 15, 16 OUT Output Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS Package Transparent Top View GND 13 VPWR OUT OUT Figure 3. Pin Connections Formal Name This pin is used to generate a ground-referenced voltage for the microcontroller (MCU) to monitor output current ...

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... Freescale’s Package Reflow capability meets Pb-free requirements for JEDEC standard J-STD-020C. For Peak Package Reflow Temperature and Moisture Sensitivity Levels (MSL www.freescale.com, search by part number [e.g. remove prefixes/suffixes and enter the core ID to view all orderable parts. (i.e. MC33xxxD enter 33xxx), and review parametrics. ...

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... 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. 8. 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 A = 25° ...

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... C V 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 μ 200 400 kΩ 2 – 14 – -0.3 V μA 100 200 μ – 0.2 0.4 V 3.45 3.55 -8.9 -9.3 mV/°C Freescale Semiconductor ...

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... Turn-OFF delay time measured from falling edge of INHS that turns the output OFF to V 15. The ratio is measured 50% V OUT Analog Integrated Circuit Device Data Freescale Semiconductor ≤ -40°C ≤ T ≤ 125°C, unless otherwise noted. Typical values noted PWR A = 25°C under nominal conditions, unless otherwise noted. ...

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... V PWR 0 OUT 90% Vout 10% Vout EN t After ON FS CONF INHS INLS OUT GLS Figure 5. Normal Mode, Cross-Conduction Management 33981 8 TIMING DIAGRAMS t t DLY(OFF) DLY(ON Figure 4. Time Delays Functional Diagrams R PWM 50%V PWR SR F 5.0 V Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... EN t After ON FS CONF High Side ON INHS INLS OUT GLS Figure 6. Normal Mode, Independent High Side and Low Side Analog Integrated Circuit Device Data Freescale Semiconductor DYNAMIC ELECTRICAL CHARACTERISTICS High Side OFF TIMING DIAGRAMS 0.0 V 33981 9 ...

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... Temperature (°C) Temperature (°C) vs. Temperature at V DS(ON) 6.0 9.0 12.0 12.5 13.0 V (V) Vpwr(V) PWR 6.0 4.0 2.0 SR Capacitor (nF) 150 200 = 13 V PWR 14.0 17.0 21.0 at 150°C PWR 8 25°C and OUT PWR Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Figure 10. V Fall Time vs. SR Capacitor From 10 OUT Analog Integrated Circuit Device Data Freescale Semiconductor 4.0 6.0 2.0 SR Capacitor (nF) DYNAMIC ELECTRICAL CHARACTERISTICS ELECTRICAL PERFORMANCE CURVES 8 25°C and OUT PWR 33981 11 ...

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... The VPWR pin is a backside surface mount tab of the package. OUTPUT (OUT) Protected high side power output to the load. Output pins must be connected in parallel for operation. protection level of the external low DS short protection. PWR Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... OUT. An over-temperature fault on the low side gate drive results in OUT turning OFF and the GLS going to 0V until the Analog Integrated Circuit Device Data Freescale Semiconductor OPERATIONAL MODES NORMAL MODE The 33981 will go to the Normal operating mode when the EN pin is logic [1]. The INHS and INLS commands will be ...

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... BOOT Figure 9 give V rise and fall time versus different SR OUT as low as 10.0 mΩ DS(ON) is internally clamped at GS with a negative temperature TFEED . DT FEED shows essential to protect this power line could be another solution. Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... H = High level L = Low level x = Don’t care Analog Integrated Circuit Device Data Freescale Semiconductor GROUND (GND) DISCONNECT PROTECTION If the DC motor module ground is disconnected from load ground, the device protects itself and safely turns OFF the output regardless of the output state at the time of disconnection ...

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... INHS INLS OUT GLS FS TEMP TSD Temperature OUT Thermal Shutdown on OUT 33981 16 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 ...

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... EN INLS GLS FS OCLS V DS_LS Figure 13. Overload on Low Side Gate Drive, Case 1 Analog Integrated Circuit Device Data Freescale Semiconductor PROTECTION AND DIAGNOSTIC FEATURES 0 RST(DIAG) 0.0 V Low Side OFF 0 DS_LS = OCLS Case 1: Overload Removed Overload on Low Side FUNCTIONAL DEVICE OPERATION 5 ...

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... PROTECTION AND DIAGNOSTIC FEATURES EN INLS GLS FS OCLS V DS_LS Figure 14. Overload on Low Side Gate Drive, Case 2 33981 18 0 RST(DIAG) 0.0 V Low Side OFF 0 DS_LS = OCLS Case 2: Low Side Still Overloaded Overload on Low Side 5.0 V Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... EN INHS OUT FS CSNS I OUT Analog Integrated Circuit Device Data Freescale Semiconductor PROTECTION AND DIAGNOSTIC FEATURES 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 FUNCTIONAL DEVICE OPERATION 5.0 V 5.0 V Fault Removed 33981 19 ...

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... FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES 33981 20 Current in Motor Figure 17. Cross-Conduction with Low Side Over-temperature INHS TEMP OUT I OUT Figure 18. Over-temperature on OUT Recirculation in Low Side Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Figure 19. Maximum Operating Frequency for SR Capacitor of 4.7 nF Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES 33981 21 ...

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... Therefore, an over-temperature shutdown feature protects the IC against high overload condition. V PWR 330 μF 33981 100 nF VPWR SR CBOOT 100 nF CONF OUT FS INLS DLS EN INHS TEMP M GLS CSNS OCLS GND Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... One EMC standard in the automotive world (at system level) is the CISPR25, edited by the International Electrotechnical Commission. This standard describes the Analog Integrated Circuit Device Data Freescale Semiconductor measurement method to measure both conducted and radiated emission. CONDUCTED EMISSION MEASUREMENT Conducted emission is the emission produced by the device on the battery cable ...

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... Figure 27 describes the effect of duty cycle increase on the V current waveform. The conducted emission PWR level rises with the output frequency. This is due to the increasing number of commutations. Analog Integrated Circuit Device Data Freescale Semiconductor GND V PWR was Power Supply LISN Measurement Point for ...

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... GND Figure 28. 33981 with Filter The EMC enhanced board with adapted value filter is represented in Figure 29. Analog Integrated Circuit Device Data Freescale Semiconductor The chart in enhanced board and the initial board. The improvement is appreciatively the all frequency range. The and GND ...

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... The 33981 has an analog thermal feedback that can be DS(ON) used by the MCU to monitor PC board temperature to optimize the motor control and to protect the entire electronic system. Therefore, an over-temperature shutdown feature protects the IC against high overload condition. CISPR Class 3 Limits 33981 Emission Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Imotor (10A/div) MC33981 OFF MC33981 ON Figure 34. Current and Voltage waveforms Analog Integrated Circuit Device Data Freescale Semiconductor POWER DISSIPATION The 33981 power dissipation is the sum of two kinds of losses: • On-State losses when device is fully ON, • Switching losses when the device switches ON and OFF ...

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... Frequency 20 KHz R DSON 6.8 mOhm @150° Capacitor Low Side Characteristics R DSON 20 mOhm @150°C Rthja 15 °C/W T ambiant 85 °C Figure 38. Excel Tool DS(ON) of the diode F ) Volts. OUT Figure 38 are the ones chosen for Analog Integrated Circuit Device Data Freescale Semiconductor for ...

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... Duty Cycle (%) Figure 40. Power Dissipation (Pon and Pswitching) vs. Duty Cycle Analog Integrated Circuit Device Data Freescale Semiconductor INFLUENCE OF SR CAPACITOR The SR capacitor value has an impact on these switching losses. Figure 41 losses versus the total power dissipation for the same load conditions as the higher the switching losses ...

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... DC motor. A concrete example with a 200 W DC motor was given in section DC Motor 200 W. The same principle can be used for other DC motor and other environmental conditions 100 Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... C. Pin soldering limit is for 10 seconds maximum duration. Exceeding these limits may cause malfunction or permanent damage to the device. For the most current package revision, visit www.freescale.com and perform a keyword search using “98ARL10521D”. Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... PACKAGING PACKAGING DIMENSIONS 33981 32 PNA SUFFIX 16-PIN PQFN PLASTIC PACKAGE 98ARL10521D ISSUE C Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Single layer thermal test board per JEDEC JESD51-3 and JESD51-5. 5. Thermal resistance between the die junction and the exposed pad, “infinite” heat sink attached to exposed pad. Analog Integrated Circuit Device Data Freescale Semiconductor . JAmn . 1 . This applies ...

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... JA ambient air. This device is a dual die package. Index m indicates the die that is heated. Index n refers to the number of the die where the junction temperature is sensed Power Chip Logic Chip (°C/ Analog Integrated Circuit Device Data Freescale Semiconductor ...

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... Figure 46. Device on Thermal Test Board R 100 10 1 0.1 1.00E-03 1.00E-02 Figure 47. Transient Thermal Resistance Step response,Device on Thermal Test Board Area A = 600(mm Analog Integrated Circuit Device Data Freescale Semiconductor x R θJA11 R θJA22 θJA12 θJA21 300 Heat spreading area A [mm²] 1.00E-01 1.00E+00 1.00E+01 1.00E+02 1.00E+03 1.00E+04 ...

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... Made minor content changes to pages 6 and 7. 3/2006 4.0 • Updated to Product Preview status • Changed Part Number from PC33981PNA to MC33981BPNA (page 1) 5/2006 5.0 • Changed Electrical Characteristics, Maximum Ratings, Table 2, Maximum Ratings, Electrical Ratings, OCLS Voltage, from “-5.0 to 5.0” to “-5.0 to 7.0” (page 4). ...

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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer purchase or use Freescale Semiconductor products for any such unintended ...