MC34920EI Freescale Semiconductor, MC34920EI Datasheet
MC34920EI
Specifications of MC34920EI
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MC34920EI Summary of contents
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... MCU Figure 1. 34920 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. All rights reserved. Device MC34920FN/R2 MC34920EI/R2 and V ) VB+ V VB+ 34920 RESET SDI SCLK ...
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... RESET RESET CS Serial Input SCLK Port SDI DR1PWM DR2PWM Figure 2. 34920 Simplified Internal Block Diagram 34920 2 BLOCK DIAGRAM Boost V2 Voltage Regulator Generator Analog Integrated Circuit Device Data DR1A1 DR1B1 DR1SENSE1 DR1A2 DR1B2 DR1SENSE2 DR2A1 DR2B1 DR2SENSE1 DR2A2 DR2B2 DR2SENSE2 Freescale Semiconductor ...
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... VB+ (Bulk) Supply Voltage 23, 30, 31 DR2A1 Driver 2, Bridge 1, Output A 13 DR2SENSE1 Driver 2, Bridge 1, I Sense 14 DR2B1 Driver 2, Bridge 1, Output B 19 DR1A1 Driver 1, Bridge 1, Output A 20 DR1SENSE1 Driver 1, Bridge 1, I Sense Analog Integrated Circuit Device Data Freescale Semiconductor PIN CONNECTIONS GND 29 VB GND 39 Figure 3 ...
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... Switching output for V2 regulator. Selects operational mode of Driver 2. Step = Switch output for V2 regulator. Serial input register serial data input. Serial input register clock. Serial input register chip select input. Active low. Ground connection for analog circuitry. Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Pin soldering temperature limit is for 10 seconds maximum duration. Not designed for immersion soldering. Exceeding these limits may cause malfunction or permanent damage to the device dependent on customer application and PCB layout. θ JA Analog Integrated Circuit Device Data Freescale Semiconductor ELECTRICAL CHARACTERISTICS MAXIMUM RATINGS Symbol ZAP ...
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... Nom +4. 155 – 175 C o 135 – 155 C 1.5 2.0 2.5 A 2.5 3.25 4 0.75 1.25 1.75 A 1.75 2.25 2.75 Ω – 2.0 – Ω – 0.75 – V – 2.5 – V 3.0 – – Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Because the current clamp is applied to the top H-bridge transistors only, overcurrent protection applies to motor currents. But note that no short circuit protection exists against shorts from the DC motor outputs (DR1A1, DR1A2, DR1B1, or DR1B2 to substrate ground or to VB+. Analog Integrated Circuit Device Data Freescale Semiconductor ≤ ≤ = ...
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... C Ω – 0.73 – 0.5 V – – – – 0.2 V – – 0.8 – – 1.5 V 2.1 – – 3.3 – – V 1.9 2.08 2.2 V 2.05 2.23 2.35 V 13.5 15.4 16.5 V 13.5 16.6 20 Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... BIPOLAR CURRENT REGULATED STEP MOTOR DRIVE SYSTEM Shoot-Through Delay Off-Time Current Blanking Time DC MOTOR DRIVE SYSTEM PWM Frequency T = 25°C A Shoot-Through Delay Overcurrent Off-Time Analog Integrated Circuit Device Data Freescale Semiconductor DYNAMIC ELECTRICAL CHARACTERISTICS ≤ ≤ 10°C to 55°C, T max = 135° 25° ...
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... Test circuit capacitor from RESET 34920 10 ≤ ≤ 10°C to 55° Symbol t DELAY t PERSIST GND. max = 135° 5.25 V max unless CC = 25°C under typical conditions unless Min Typ Max Unit µ – 630 750 ns – Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Assumes VB+ > VtVB+ during the entire period Figure 5. Generation Timing Diagram (Assumes V RESET Analog Integrated Circuit Device Data Freescale Semiconductor TIMING DIAGRAMS Data latched on rising edge of SCLK Data Latched on the rising edge of SCLK Data Latched on the rising edge of SCLK Data Latched on the rising edge of SCLK ...
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... RESET is asserted, either internally or from then generates 13 clock pulses CS ) before the rising edge of SCLK. The data is ) beyond the SCLK DHD line is then returned will load the data CS signal equal to logic [1]) delay + DSU page 9. Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... DR2_DIR_PH_B Controls the direction of the current flow through Phase B of the step motor. A logic [1] level causes conventional current flow from DR2A2 to DR2B2 (Driver 2 / Step Mode). Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL INTERNAL BLOCK DESCRIPTION Table 5. 34920 Input Specifications Description ...
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... One of two inputs that control the current level in the SDR1 step motor Phase A winding. 0 Controls the direction of the current flow through Phase A of the SDR1 step motor. A logic [1] level causes conventional current flow from PH_A+ (source) to PH_A- (sink). Description Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... DR1_DIR_DCM Notes 9. DR1_MODE and DR2_MODE pins = logic [0] for DC motor drive for both drivers. Analog Integrated Circuit Device Data Freescale Semiconductor Reset Value 1 Enable bit to turn on and off the V2 regulator and the motor drivers and place the 34920 in the minimum power consumption state. ...
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... One of two inputs that control the current level in the SDR1 step motor Phase A winding. 1 Controls the direction of the current flow through Phase A of the SDR1 step motor. A logic [1] level causes conventional current flow from PH_A+ (source) to PH_A- (sink). Description Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... The current limit threshold is lowered during the power-on period to allow for a softer start-up, thereby reducing electrical stress in the external components. Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL INTERNAL BLOCK DESCRIPTION Reset Value 1 Enable bit to turn on and off the V2 regulator and the motor drivers and place the 34920 in the minimum power consumption state ...
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... This can be reset by removing the main supply to the chip or when the short circuit condition is removed. Refer to the respective ( VB Load Range 10 mA Min, 500 mA Max DC (11 Min, 1.3 A Max DC and V are short circuit protected and Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... The frequency of operation of this regulator is controlled by the internal clock, which is 200 kHz ±25 kHz. This regulator switches out of Analog Integrated Circuit Device Data Freescale Semiconductor FUNCTIONAL INTERNAL BLOCK DESCRIPTION page 6 of the phase from the V1 regulator to minimize ripple current on VB+ ...
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... DR1_MODE VB+ SDR1_DIR_PH A SDR1_CURR_I1 PHASEA SDR1_CURR_I0 PHASEA DR1_DIR_DCM SDR1_DIR_PH_B SDR1_CURR_I1_PHASEB SDR1_CURR_I0_PHASEB Figure 7. Simplified Step Application Diagram Showing Step Drive Circuits 34920 20 34920 DR1 Phase A H-Bridge Phase B H-Bridge DR1A1 DR1B1 DR1SENSE1 Step Motor DR1A2 DR1B2 DR1SENSE2 Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... For each of the two H-bridge drivers, controlled crossover delay, a blanking period, and internal overtemperature sensing are provided. The crossover delay is controlled to provide sufficient time for cross-conduction suppression. At Analog Integrated Circuit Device Data Freescale Semiconductor 34920 DR2 Phase A H-Bridge Phase B H-Bridge no time will both the upper and lower output device on the same side of the H-bridge be allowed to conduct simultaneously ...
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... V V1T - V1T µs µs ( RESET will be PERSIST RESET will remain asserted while 1.0 V < falls below 1.0 V, the V1T+ V1_FB decreases VB+ level. This will occur even if the VB+ V1T Analog Integrated Circuit Device Data Freescale Semiconductor VB+ passes will to - for - RESET ...
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... Table 11. Ambient Temperature and Humidity Temperature (°C) Condition Operating Storage -40 to 150 Analog Integrated Circuit Device Data Freescale Semiconductor behaves as follows: ESD IMMUNITY Refer to the Maximum Ratings table, and remains there - will not be RESET OVERTEMPERATURE PROTECTION The 34920 implements overtemperature detection and shutdown functions ...
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... High-Side A Low-Side A On Off Off On On Off On Off CURR_I0_ CURR_I1_ IPH_B (mA) PHASEB PHASEB 0 0 550 1 0 367 0 1 183 1 1 Off 0 0 -550 1 0 -367 0 1 -183 High-Side B Low-Side B On Off On Off On Off Off On Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... VB+ VB+ Oscillator ENABLE Oscillator Analog Integrated Circuit Device Data Freescale Semiconductor TYPICAL APPLICATIONS If this typology is not the one implemented, the user needs to be aware that the V Only the V1_FB and VB+ pins are monitored for undervoltage. Thus possible for V without the 34920 issuing a reset. ...
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... PACKAGING PACKAGE DIMENSIONS For the most current package revision, visit www.freescale.com and perform a keyword search using the “98A” listed below. 34920 26 PACKAGING PACKAGE DIMENSIONS FN SUFFIX EI-PIN PLASTIC PACKAGE 98ASB42598B ISSUE E Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Analog Integrated Circuit Device Data Freescale Semiconductor FN SUFFIX EI-PIN PLASTIC PACKAGE 98ASB42598B ISSUE E PACKAGING PACKAGE DIMENSIONS 34920 27 ...
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... REVISION HISTORY REVISION DATE DESCRIPTION OF CHANGES • Implemented Revision History page 8/2006 2.0 • Converted to Freescale format and updated to the prevailing form and style • Added EI Pb-FREE suffix 34920 28 REVISION HISTORY Analog Integrated Circuit Device Data Freescale Semiconductor ...
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... Freescale Semiconductor product could create a situation where personal injury or death may occur. Should Buyer ...