mc33931 Freescale Semiconductor, Inc, mc33931 Datasheet
mc33931
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mc33931 Summary of contents
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... Sleep mode with current draw < 50 µA (each half with inputs floating or set to match default logic states MCU Figure 1. MC33931 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., 2008. All rights reserved. ...
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INTERNAL BLOCK DIAGRAM LOGIC SUPPLY VCP CHARGE CCP PUMP IN1 IN2 EN/D2 GATE DRIVE AND D1 PROTECTION LOGIC SF FB AGND Figure 2. 33931 Simplified Internal Block Diagram 33931 2 INTERNAL BLOCK DIAGRAM VDD HS1 TO GATES HS1 LS1 LS1 ...
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D1 FB EN/D2 VPWR VPWR VPWR OUT1 OUT1 OUT1 PGND PGND N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C N/C Table 1. 33931 Pin Definitions A functional description of each pin can be found in the Functional Description ...
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PIN CONNECTIONS Table 1. 33931 Pin Definitions (continued) A functional description of each pin can be found in the Functional Description section beginning on Pin Pin Pin Name Function 41 Analog CCP Output 42 IN2 Logic Input 43 IN1 Logic ...
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Table 2. Maximum Ratings All voltages are with respect to ground unless otherwise noted. Exceeding these ratings may cause a malfunction or permanent damage to the device. These parameters are not production tested. Ratings ELECTRICAL RATINGS Power Supply Voltage Normal ...
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ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS STATIC ELECTRICAL CHARACTERISTICS Table 3. Static Electrical Characteristics Characteristics noted under conditions 8.0 V ≤ V values noted reflect the approximate parameter means at T Characteristic POWER INPUTS (VPWR) (10) Operating Voltage Range Steady-state (11) ...
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Table 3. Static Electrical Characteristics (continued) Characteristics noted under conditions 8.0 V ≤ V values noted reflect the approximate parameter means at T Characteristic POWER OUTPUTS OUT1, OUT2 (14) Output-ON Resistance , I = 3.0 A LOAD ° ...
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ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS DYNAMIC ELECTRICAL CHARACTERISTICS Table 4. Dynamic Electrical Characteristics Characteristics noted under conditions 8.0 V ≤ V values noted reflect the approximate parameter means at T Characteristic TIMING CHARACTERISTICS (20) PWM Frequency Maximum Switching Frequency During ...
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V PWR 0 5 PWR 0 I Short Circuit Detection Threshold SC 9 lim 6.5 0.0 5.0 Figure 7. Current Limit Blanking Time and Constant-OFF Time Analog Integrated ...
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ELECTRICAL CHARACTERISTICS TIMING DIAGRAMS I Short-circuit Detection Threshold SC 9.0 I lim 6.5 0.0 5.0 Figure 8. Short-circuit Detection Turn-OFF Time t . 6.5 4.2 Figure 9. Output Current Limiting Foldback Region 33931 10 Short-circuit Condition t FAULT Hard Short ...
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Numerous protection and operational features (speed, torque, direction, dynamic breaking, PWM control, and closed-loop control) make the 33931 a very attractive, cost- effective solution for controlling a broad range of small DC motors. The 33931 outputs are capable of supporting ...
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FUNCTIONAL DESCRIPTION FUNCTIONAL PIN DESCRIPTION The device is enabled and fully operational when the EN pin voltage is logic HIGH. An internal pull-down resistor maintains the device in Sleep mode in the event EN is driven through a high-impedance I/O ...
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FUNCTIONAL INTERNAL BLOCK DESCRIPTION 33931 CURRENT SENSE TEMPERATURE ANALOG CONTROL AND PROTECTION MCU INTERFACE ANALOG CONTROL AND PROTECTION CIRCUITRY: An on-chip voltage regulator supplies the internal logic. The charge pump provides gate drive for the H-bridge MOSFETs. The Current and ...
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FUNCTIONAL DEVICE OPERATION OPERATIONAL MODES FUNCTIONAL DEVICE OPERATION 9.0 6.5 0 IN1 or IN2 [1] IN1 IN2 IN2 or IN1 [0] [1] [0] [1] [0] [1] Outputs Tri-stated (per Input Control Condition) [0] 33931 14 OPERATIONAL MODES Typical Short-circuit Detection ...
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Table 5. Truth Table The tri-state conditions and the status flag are reset using D1 or EN/D2. The truth table uses the following notations LOW HIGH HIGH or LOW, and Z = High-impedance. All ...
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FUNCTIONAL DEVICE OPERATION PROTECTION AND DIAGNOSTIC FEATURES PROTECTION AND DIAGNOSTIC FEATURES SHORT-CIRCUIT PROTECTION If an output short-circuit condition is detected, the power outputs tri-state (latch-OFF) independent of the input (IN1 and IN2) states, and the fault status output flag (SF) ...
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A typical application schematic is shown in precision high-current applications in harsh, noisy V PWR 33nF LOGIC SUPPLY VCP CHARGE PUMP CCP IN1 IN2 EN/D2 GATE DRIVE D1 AND PROTECTION +5.0 V LOGIC STATUS FLAG ADC R ...
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PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit www.freescale.com and perform a keyword search using the 98Axxxxxxxxx listed below. 33931 18 PACKAGING PACKAGE DIMENSIONS VW SUFFIX 44-PIN 98ARH98330A REVISION B Analog Integrated Circuit Device Data Freescale Semiconductor ...
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Analog Integrated Circuit Device Data Freescale Semiconductor VW SUFFIX 44-PIN 98ARH98330A REVISION B PACKAGING PACKAGE DIMENSIONS 33931 19 ...
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... DESCRIPTION • Initial Release 1.0 2/2008 • Updated Freescale for and style 2.0 12/2008 • Removed PC33931VW/R2 from the ordering information and added MC33931VW/R2 • Changes Max R • Changed Peak Package Reflow Temperature During Reflow • Changed Approximate Junction-to-Case Thermal Resistance • In ...
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... Freescale Semiconductor Literature Distribution Center P.O. Box 5405 Denver, Colorado 80217 1-800-441-2447 or 303-675-2140 Fax: 303-675-2150 LDCForFreescaleSemiconductor@hibbertgroup.com MC33931 Rev.2.0 12/2008 Information in this document is provided solely to enable system and software implementers to use Freescale Semiconductor products. There are no express or implied copyright licenses granted hereunder to design or fabricate any integrated circuits or integrated circuits based on the information in this document ...