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Texas Instruments MCT8315 | Demoboard MCT8315ZEVM
MCT8315Z evaluation module for three-phase sensored trapezoidal BLDC motor driver
Overview
| Topology | Motor Drive |
| Input voltage | 4.5-35 V |
| Output 1 | 5 A |
| IC revision | A |
Description
The MCT8315Z is a 4.5V to 35V, 4A peak three-phase gate driver IC with sensored trapezoidal control for motor drive applications. The MCT8315Z provides three integrated half-bridges and a sensored trapezoidal control in a fixed-function state machine capable of directly driving a 3-phase brushless DC motor without a microcontroller. The MCT8315Z integrates a current sensing feature eliminating the need for external sense resistors, an LDO for powering external circuits, three analog Hall comparators and many protection features. The MCT8315ZH and MCT8315ZR variants include an integrated output adjustable buck for powering external circuits.
Features
4.5V to 35V operation with 4A peak current drive275mΩ on-state resistance of integrated MOSFETsIntegrates three analog Hall comparators for rotor position sensing to achieve sensored trapezoidal BLDC motor controlAnalog or digital Hall sensor compatibilityOnboard MSP430 that handles connectivity with GUI
Typical applications
More information
Products
Order Code | Datasheet | Simulation | Downloads | Status | Product series | L(µH) | ISAT,10%(A) | ISAT,30%(A) | RDC max.(mΩ) | fres(MHz) | IRP,40K(A) | Mount | C | Tol. C | VR(V (DC)) | Size | Operating Temperature | DF(%) | RISO | Ceramic Type | L(mm) | W(mm) | Fl(mm) | Packaging | H(mm) | Operation Force(g) | Electrical Life(Cycles) | Actuator Color | Washable | Vaporphase process | Samples | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 | WE-MAIA SMT Power Inductor, 22 µH, 1.1 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance22 µH | Saturation Current @ 10%1.1 A | Saturation Current @ 30%2 A | DC Resistance1040 mΩ | Self Resonant Frequency12 MHz | Performance Rated Current0.85 A | MountSMT | – | – | – | Size3015 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length3 mm | Width3 mm | – | – | Height1.5 mm | – | – | – | – | – | ||||
| WE-MAIA SMT Power Inductor, 47 µH, 0.75 A | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWE-MAIA SMT Power Inductor | Inductance47 µH | Saturation Current @ 10%0.75 A | Saturation Current @ 30%1.5 A | DC Resistance2300 mΩ | Self Resonant Frequency8 MHz | Performance Rated Current0.5 A | MountSMT | – | – | – | Size3015 | Operating Temperature -40 °C up to +125 °C | – | – | – | Length3 mm | Width3 mm | – | – | Height1.5 mm | – | – | – | – | – | ||||
| WCAP-CSGP MLCCs 16 V(DC), –, – | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWCAP-CSGP MLCCs 16 V(DC) | – | – | – | – | – | – | – | Capacitance1 nF | Capacitance±10% | Rated Voltage16 V (DC) | Size0603 | Operating Temperature -55 °C up to +125 °C | Dissipation Factor3.5 % | Insulation Resistance10 GΩ | Ceramic TypeX7R Class II | Length1.6 mm | Width0.8 mm | Pad Dimension0.4 mm | Packaging7" Tape & Reel | Height0.8 mm | – | – | – | – | – | |||||
 | WS-TASV SMT Tact Switch 6.0x3.8 mm, –, – | Simulation– | Downloads6 files | Status Activei| Production is active. Expected lifetime: >10 years. | Product seriesWS-TASV SMT Tact Switch 6.0x3.8 mm | – | – | – | – | – | – | – | – | – | Rated Voltage12 V (DC) | – | Operating Temperature -40 °C up to +85 °C | – | Insulation Resistance100 MΩ | – | – | – | – | PackagingTape and Reel | Height2.5 mm | Operation Force160 g | Electrical Life50000 Cycles | Actuator ColorBlack | WashableNo | Vaporphase processnot specified |