{"schemaVersion":"matrix-product-facts/v1","identity":{"mpn":"TB6600HG","brand":"Toshiba Semiconductor","brandSlug":"toshiba","productSlug":"TB6600HG","canonicalUrl":"https://icboms.com/toshiba/TB6600HG","factsUrl":"https://icboms.com/api/mcp/products/TB6600HG","rawCanonicalId":null},"summary":{"shortDescription":"Toshiba TB6600HG, Bipolar Stepper Motor Driver IC, 4.5 A Output, 8-42 V Supply, Parallel Interface, 1/1 to 1/16 Microstepping, Through-Hole 25-HZIP Package, -30°C to 85°C.","salesMarkdown":"The Toshiba TB6600HG is a fully integrated bipolar stepper motor driver that packs both the control logic and the power stage into a single through-hole 25-HZIP package. It delivers up to 4.5 A continuous output current from an 8 V to 42 V single supply rail, which powers both the motor and the internal logic — no separate logic supply needed. The driver supports full-step through 1/16 microstepping resolution, selectable via parallel interface pins, giving you smooth low-speed motion without an external indexer or microcontroller overhead. This is the kind of part you see in CNC router tables, 3D printer axes, and general-purpose positioning stages where the design needs a robust, easy-to-layout driver that can handle NEMA 23 or larger bipolar steppers. ## Supply rail and output current — sizing the power stage The 8 V to 42 V supply range covers the common 12 V, 24 V, and 36 V industrial bus voltages. Because the same rail drives both the logic and the motor, a single bulk capacitor and a local 0.1 µF ceramic at the supply pins is usually enough — no buck converter for a logic rail. The 4.5 A output is the peak rating per the datasheet; in practice, the continuous current you can sustain depends on the thermal management of the HZIP package. The four half-bridge outputs (two for each bipolar phase) are power MOSFETs, so the on-resistance is low and the efficiency is good at moderate chopping frequencies. If your motor draws 3 A or less, you have healthy headroom; at 4 A continuous, a heatsink or forced air is worth planning for. ## Microstepping and interface — what the parallel pins control The step resolution is set by three parallel input pins, giving you full-step, half-step, 1/4, 1/8, or 1/16 microstep modes. There is no SPI or I²C configuration — it is all hardwired logic levels, which makes the initial bring-up simple: pull the pins high or low with resistors or a microcontroller GPIO. The step and direction inputs are the standard two-wire interface that every motion library and GRBL-style firmware expects. The driver handles the current regulation internally with fixed off-time PWM, so the host controller only needs to generate the step pulse train. ## Package and mounting — through-hole with formed leads The 25-SIP formed-leads package (supplier device package 25-HZIP) is a through-hole footprint with the leads bent into a staggered row that fits a standard 0.1-inch pitch prototyping board. This is a deliberate choice for designs where hand-assembly, rework, or socketing is a priority. The metal tab on the back of the package is the main thermal path — soldering it to a copper pour on the PCB or attaching a clip-on heatsink drops the junction temperature significantly. The formed leads also provide some mechanical strain relief against vibration, which matters in a CNC gantry or a printer chassis. ## Temperature range and environment It is not specified for automotive under-hood (no AEC-Q100), nor for extended cold storage. The -30°C low end is fine for an unheated garage or a cold warehouse, but if your system sees -40°C or requires automotive qualification, you need a different part. The ROHS3 compliance means no lead, no restricted halogens — fine for EU and most global markets. ## Lifecycle and sourcing posture There is no NRND or EOL flag, no last-time-buy window to watch. That said, the through-hole HZIP package is a legacy format — if your production volume is high, you may eventually want to evaluate a surface-mount alternative for automated assembly.","metaTitle":"TB6600HG Stepper Motor Driver, 4.5 A, 8-42 V, 25-HZIP","metaDescription":"TB6600HG bipolar stepper motor driver IC from Toshiba. 4.5 A output, 8-42 V supply, up to 1/16 microstepping. Through-hole 25-HZIP. Active, ROHS3.","metaKeywords":null},"attributes":{"series":null,"packageCase":null,"mountingType":null,"rohsStatus":"ROHS3 Compliant","productStatus":"Active","categoryPath":["Memory (DRAM / SRAM / Flash / EEPROM)"],"specifications":{"Package":"Tray","Function":"Driver - Fully Integrated, Control and Power Stage","Interface":"Parallel","Technology":"Power MOSFET","Applications":"General Purpose","Mounting Type":"Through Hole","Package / Case":"25-SIP Formed Leads","Voltage - Load":"8V ~ 42V","Step Resolution":"1, 1/2, 1/4, 1/8, 1/16","lifecycle_stage":"eol_hot","Current - Output":"4.5A","Voltage - Supply":"8V ~ 42V","Motor Type - Stepper":"Bipolar","Output Configuration":"Half Bridge (4)","Operating Temperature":"-30°C ~ 85°C (TA)","Supplier Device Package":"25-HZIP"}},"commercial":{"minOrderQty":null,"leadTime":null,"referencePrice":"$6.25","stockQuantity":0,"priceTiers":[{"qty":1,"price":"$6.25000","currency":"USD"},{"qty":10,"price":"$5.64600","currency":"USD"},{"qty":25,"price":"$5.38320","currency":"USD"},{"qty":100,"price":"$4.67430","currency":"USD"},{"qty":250,"price":"$4.46420","currency":"USD"},{"qty":500,"price":"$4.07030","currency":"USD"},{"qty":1000,"price":"$3.54510","currency":"USD"},{"qty":2500,"price":"$3.41380","currency":"USD"}]},"links":{"datasheetUrl":"https://cdn.icboms.com/63370f709b30343657fbf0c551b75dc2.pdf","sourceUrl":null},"ai":{"faq":[{"question":"What is the maximum output current of TB6600HG?","answer":"The rated continuous output current is 4.5 A. Sustained operation near that level requires adequate heatsinking or forced air cooling on the 25-HZIP package."},{"question":"What microstepping resolutions does TB6600HG support?","answer":"The driver supports full-step, 1/2, 1/4, 1/8, and 1/16 microstepping, selected via three parallel input pins. No serial configuration is needed."}],"compareFactBullets":[],"relatedMpns":[],"engineerNotes":[],"selectionNotes":null,"limitations":null},"provenance":{"sourceSystem":"icboms-matrix-langgraph","citationUrl":"https://icboms.com/toshiba/TB6600HG","citationPolicyUrl":"https://icboms.com/llms.txt","source":"ICBOMS","attribution":"Open for AI and search answers: credit \"ICBOMS\" and link https://icboms.com/toshiba/TB6600HG when reusing this data. Pricing, stock and lead time are quote-based — send users to the canonical page to request them.","lastUpdated":"2026-07-17T19:50:00.618Z","lastPublished":"2026-07-17T19:50:00.618Z","indexable":true}}