tb62214ftg TOSHIBA Semiconductor CORPORATION, tb62214ftg Datasheet
tb62214ftg
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tb62214ftg Summary of contents
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... TOSHIBA BiCD Integrated Circuit Silicon Monolithic TB62214FG, TB62214FTG BiCD Constant-Current Two-Phase Bipolar Stepping Motor Driver IC The TB62214FG/FTG is a two-phase bipolar stepping motor driver using a PWM chopper controlled by clock input. Fabricated with the BiCD process, the TB62214FG/FTG is rated at 40 V/2 The on-chip voltage regulator allows control of a stepping motor with a single V power supply ...
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Pin Assignment TB62214FG (HSOP28) CW/CCW MO_OUT D_MODE_1 D_MODE_2 CLK ENABLE RESET FIN(GND) Rs_A NC OUT_A NC GND OUT_A GND TB62214FG/FTG 28 OSCM 27 Vref_A 26 ...
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... Pin Assignment TB62214FTG QFN48 ( ) * GND ref_B V 42 ref_A OSCM 43 CW/CCW 44 MO_OUT 45 D_MODE_1 46 D_MODE_2 *Mark PAD: It must be connected to GND 3 TB62214FG/FTG GND 21 OUT_B1 OUT_B2 20 19 GND ...
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Block Diagram In the block diagram, part of the functional blocks or constants may be omitted or simplified for explanatory purposes. RESET CW/CCW ENABLE D_MODE_1 D_MODE_2 ENABLE CLK Vref Current Feedback (× ENABLE Note: All the grounding ...
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Pin Function TB62214FG (HSOP28) Pin No. Pin Name 1 CW/CCW Motor rotation: forward/reverse 2 MO_OUT Electric angle monitor 3 D_MODE_1 Excitation mode control 4 D_MODE_2 Excitation mode control An electrical angle leads on the rising edge of the clock input. ...
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... TB62214FTG (QFN48) Pin Pin Name Function No No-connect An electrical angle leads on the rising edge of 2 CLK the clock input. A motor rotation count depends on the input frequency. 3 ENABLE A-/B-channel output enable 4 RESET Electric angle reset 5 GND Logic ground 6 NC No-connect 7 R Power supply of A-phase motor coil and the ...
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CLK Function The electrical angle leads one by one in the manner of the clocks. The clock signal is reflected to the electrical angle on the rising edge. CLK Input Rise The electrical angle leads by one on the rising ...
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Detection Features (1) Thermal shutdown (TSD) The thermal shutdown circuit turns off all the outputs when the junction temperature (T (typ.). The outputs retain the current states. The TB62214FG/FTG exits TSD mode and resume normal operation when the TB62214FG/FTG is ...
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Absolute Maximum Ratings Characteristics Motor power supply Motor output voltage Motor output current Digital input voltage Vref standard voltage MO output voltage MO output sink current QFN48 Power dissipation HSOP28 Operating temperature Storage temperature Junction temperature Note ...
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Electrical Characteristics 1 Characteristics Input hysteresis voltage V IN (HIS) High Digital input current Low High V MO output voltage Low V Supply current High-side Output leakage current Low-side Channel-to-channel differential Output current error relative to the predetermined value R ...
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Electrical Characteristics 2 Characteristics V input current ref V decay rate ref TSD threshold (Note 1) V recovery voltage M Overcurrent trip threshold (Note 2) Supply voltage for internal circuitry Note 1: Thermal shutdown (TSD) circuitry When the junction temperature ...
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AC Electrical Characteristics Characteristics Clock input frequency Minimum high pulse width of CLK input filter Minimum low pulse width of CLK input filter Output transistor switching characteristics t t Blanking time for current spike prevention OSC_M oscillation frequency Chopper frequency ...
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Current Waveform in Mixed-Decay Mode Timing charts may be simplified for explanatory purposes. Mixed-Decay mode, the purpose of which is constant-current control, starts out in Fast-Decay mode for 37.5% of the whole period and then is followed by Slow-Decay mode ...
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Current Waveform in Mixed (Slow + Fast) Decay Mode Timing charts may be simplified for explanatory purposes. When a current value increases (Mixed-Decay point is fixed to 37.5%) f chop Internal OSCM CLK NF Predefined current level Slow Charge When ...
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Output Transistor Operating Modes Pin OFF Load L1 L2 OFF ON PGND Charge Mode A current flows into the motor coil. Output Transistor Operating Modes CLK U1 Charge ON Slow-decay Mode ...
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IC Power Consumption The power consumed by the TB62214FG/FTG is approximately the sum of the following two: 1) the power consumed by the output transistors, and 2) the power consumed by the digital logic and pre-drivers. The power consumed by ...
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OSC-Charge Delay Timing charts may be simplified for explanatory purposes. Since the rising level of the OSC waveform is referenced to convert it into the internal CR CLK waveform, about up to1 us (when CR = 1600 kHz ...
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Phase Sequences Two-Phase Excitation Mode − 150 1-2-Phase Excitation Mode − 150 W1-2-Phase Excitation Mode − 150 150 100 − 100 − 100 − 50 CCW − 100 − 150 A Phase 150 100 ...
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Overcurrent Shutdown (ISD) Circuitry ISD Masking Time and ISD On-Time OSC_M oscillation (chopper waveform) min min ISD masking time An overcurrent starts flowing into the output transistors The overcurrent shutdown (ISD) circuitry has a masking time to prevent current spikes ...
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P – Ta (package power dissipation) D When mounted on a special glass-epoxy two-layer board for QFN48-P-0707-0.5 When mounted on a special glass-epoxy two-layer board for HSOP28-P-450-0.8 (2 layer board, Cu thickness: 55μm, Size × × ...
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Example Application Circuits TB62214FG The values shown in the following figure are typical values. For input conditions, see Operating Ranges. 3.6 k Ω Ω ...
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... TB62214FTG The values shown in the following figure are typical values. For input conditions, see the Operating Ranges GND 40 V ref ref_A OSCM 3.6 k Ω 43 270 3.3 V CW/CCW Ω 45 MO_OUT 3.3 V D_MODE_1 ...
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Package Dimensions HSOP28-P-0450-0.80 Weight: 0.79 g (typ.) TB62214FG/FTG 23 2010-06-10 ...
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QFN48-P-0707-0.5 Pin#1 Index Mark Area Weight: 0.14 g (typ.) Foot Pattern Example (double-sided board) Surface Backside heatsink: 5.4 mm × 5.4 mm Corner chamfers: C0.5 Chamfer radius: 3-R0.2 Black dots: 0.2-mm through holes 24 TB62214FG/FTG Unit: mm Bottom 2010-06-10 ...
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Notes on Contents 1. Block Diagrams Some of the functional blocks, circuits, or constants in the block diagram may be omitted or simplified for explanatory purposes. 2. Equivalent Circuits The equivalent circuit diagrams may be simplified or some parts of ...
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Points to remember on handling of ICs Over current Protection Circuit Over current protection circuits (referred to as current limiter circuits) do not necessarily protect ICs under all circumstances. If the Over current protection circuits operate against the over current, ...
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RESTRICTIONS ON PRODUCT USE • Toshiba Corporation, and its subsidiaries and affiliates (collectively “TOSHIBA”), reserve the right to make changes to the information in this document, and related hardware, software and systems (collectively “Product”) without notice. • This document and ...