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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Motor Drivers, Controllers

Diodes Incorporated ZXBM2001X10TA

Name: ZXBM2001X10TA
Brand: Diodes Incorporated
SKU: ZXBM2001X10TA
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: ZXBM2001X10TA

Manufacturer:: Diodes Incorporated

Category:: Motor Drivers, Controllers

Package:: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Datasheet:: ZXBM2001X10TA.pdf

Description:: IC MOTOR DRIVER 4.5V-18V 10MSOP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

ZXBM2001X10TA from Zetex Semiconductors is a 2-phase DC brushless motor pre-driver IC for fan and blower control, featuring combined rotor lock detection and speed (FG) pulse output on a single open-collector pin, 4.5–18 V supply range, ±7 mV Hall amplifier offset, and MSOP-10 package. It drives external bipolar or MOSFET power transistors in PC cooling, instrumentation fans, and automotive climate systems.

For engineers reviewing the ZXBM2001X10TA datasheet, ZXBM2001X10TA pinout, ZXBM2001X10TA application, or ZXBM2001X10TA equivalent, key selection criteria include dual-function LOCK/FG timing behavior, CLCK capacitor-based lock recovery timing, SPD voltage-controlled PWM range (1–2 V), CPWM frequency programming capability, and Hall differential input compatibility with both naked and buffered sensors.

Technical Context

The ZXBM2001 implements a sensor-based commutation controller with integrated Hall amplification, differential H+/H− inputs, and phase drive outputs (PH1/PH2) configured as open-emitter Darlington drivers capable of sinking up to 80 mA. Its LOCK/FG pin combines fault signaling and tachometer feedback using a single open-collector output with programmable timing thresholds.

Speed regulation is implemented via three independent methods: analog SPD voltage (1–2 V = 100%–0% drive), thermistor-based thermal control, or external digital PWM applied to CPWM. Lock detection uses CLCK capacitor charging/discharging with fixed 2.0 V/1.0 V thresholds and dedicated current sources (ILCKC = −2.8 µA, ILCKD = 0.35 µA).

Key Specifications

Parameter	Value and Actual Design Meaning
Supply Voltage	4.5–18 V - supports direct connection to 5–12 V fan supplies; requires external regulator above 18 V (e.g., zener diode)
Hall Input Offset	±7 mV - enables accurate rotor position sensing with low-noise differential Hall elements
PH1/PH2 Output Current	−80 mA - sufficient to directly drive base/gate of external bipolar transistors or logic-level MOSFETs
LOCK/FG Output Type	Open-collector - requires external pull-up; provides dual-mode signal: FG pulses at 2× motor RPM during normal operation, high-state lock indication during stall
PWM Frequency Range	24–34 kHz - set by CPWM capacitor (e.g., 150 pF → 24 kHz); avoids audible noise in fan applications
CLCK Timing Ratio	On:Off = 1:7 to 1:10 - determined by CLCK capacitor value and internal charge/discharge currents (−2.8 µA / +0.35 µA)
Operating Temperature	−40°C to +85°C - qualified for industrial and automotive cabin climate control environments

Pinout & Package

Package: MSOP-10 (JEDEC MO-187 BA), 3.0 mm × 4.9 mm body, 0.5 mm pitch, exposed pad optional for thermal relief.

Pin	Circuit Role	Design Meaning
1 VCC	Power supply input	Primary device supply; powers internal circuitry and Hall amplifier; must be decoupled near pin
2 H+	Hall sensor positive input	Differential input for naked Hall devices; high relative to H− activates PH2 drive
3 H−	Hall sensor negative input	Differential input reference; for buffered Hall sensors, biased to VCC/2 via external divider
4 SPD	Speed control voltage input	1–2 V analog input sets PWM duty cycle; also accepts thermistor or external enable (2 V = full off)
5 GND	Ground reference	Common return for VCC, Hall inputs, and outputs; must be low-impedance path to motor ground
6 LOCK/FG	Combined lock detection & tachometer output	Open-collector output: pulses at 2× motor RPM normally; goes high during rotor lock condition
7 CLCK	Lock recovery timing capacitor node	Capacitor sets lock-mode retry timing (e.g., 1 µF → ~0.36 s ON / ~3.6 s OFF at 12 V)
8 CPWM	PWM frequency setting / external PWM input	Capacitor sets internal oscillator frequency; alternatively accepts TTL/CMOS PWM signal (VOL < 1 V, VOH > 2 V)
9 PH2	Phase 2 driver output	Open-emitter Darlington output; sinks up to 80 mA to drive external transistor base/gate
10 PH1	Phase 1 driver output	Open-emitter Darlington output; complements PH2 for 2-phase commutation sequence

Key Features

Feature	Design Value
Integrated Hall amplifier	Supports direct interface to both 4-pin differential and 3-pin buffered Hall sensors without external op-amps
Dual-function LOCK/FG pin	Reduces system BOM count by combining tachometer feedback and stall detection into one I/O pin
Programmable lock recovery timing	CLCK capacitor allows precise tuning of retry interval and duty cycle to match motor inertia and thermal limits
Multi-mode speed control	SPD pin accepts analog voltage, NTC thermistor, or external PWM-enabling flexible thermal, manual, or system-controlled regulation
Robust phase drive outputs	PH1/PH2 deliver 80 mA sink current with V_OL ≤ 0.5 V at 5 mA, ensuring reliable turn-on of discrete power transistors

Applications

PC Mainframe Cooling

Instrumentation Fan Control

Use Scenario: High-reliability 12 V axial fans in server chassis requiring continuous speed monitoring and stall protection.

IC Role / Device Role / Timing Role: Pre-driver IC managing Hall-based commutation, generating FG pulses for BMC telemetry, and asserting LOCK signal upon blade obstruction.

Use Value: Eliminates need for separate tachometer IC and lock-detection comparator; reduces PCB area and interconnect complexity.

Use Scenario: Low-noise, thermally adaptive cooling for precision lab equipment with ambient temperature ranging from 15°C to 40°C.

IC Role / Device Role / Timing Role: Analog speed controller using NTC thermistor on SPD pin to linearize fan response across operating range.

Use Value: Achieves ±2.5% speed linearity without microcontroller intervention, meeting calibration-grade airflow stability requirements.

Automotive HVAC Blowers

Central Heating Fan Modules

Use Scenario: Cabin air blower in 12 V vehicle systems subject to wide temperature swings (−40°C to +85°C) and EMI-rich environments.

IC Role / Device Role / Timing Role: Motor controller with built-in lock detect and restart logic to prevent thermal runaway during filter clogging or ice formation.

Use Value: CLCK-based timed retry prevents repeated high-current stall attempts, protecting MOSFETs and motor windings.

Use Scenario: 24 V blower in residential heating units requiring fail-safe operation and speed feedback for combustion air management.

IC Role / Device Role / Timing Role: Pre-driver interfacing with external zener-regulated 18 V supply and bipolar power transistors (e.g., FZT853).

Use Value: Supports >60 V motor supply via external regulation while maintaining robust Hall sensing and FG output integrity.

Equivalent & Alternatives

The following parts are listed as comparable options for similar 2-phase BLDC pre-driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ALLEGRO A3977SLBTR-T	Microstepping stepper driver with integrated FETs; no Hall input or LOCK/FG dual function	Designed for stepper motors, not sensorless or Hall-commutated BLDC fans	Select only if replacing stepper-based airflow control; requires complete redesign of motor interface and feedback
ON Semiconductor NCP5425DR2G	Single-phase fan controller with FG-only output; lacks lock detection, CLCK timing, and dual-phase drive	Supports only unipolar fan topologies; no rotor stall recovery logic	Use only for simple 12 V DC fans without stall protection or multi-phase winding requirements

Compared with A3977SLBTR-T and NCP5425DR2G, ZXBM2001X10TA uniquely integrates Hall-amplified 2-phase commutation, combined LOCK/FG signaling, and programmable lock recovery-making it the only drop-in solution for legacy fan designs requiring dual-function tach/lock on one pin and external transistor drive flexibility.

Availability

ZXBM2001X10TA is available at Aetrix Electronics and suitable for PC mainframe cooling, instrumentation fan control, and automotive HVAC blower applications requiring stable component supply, long-lifecycle support, and consistent MSOP-10 packaging.

Supply support for ZXBM2001X10TA includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

Zetex Semiconductors (now part of Diodes Incorporated) is a UK-based analog and mixed-signal IC designer focused on high-performance power management and motor control solutions.

The ZXBM200x series was developed specifically for cost-sensitive, high-volume brushless DC fan and blower applications requiring integrated Hall sensing, stall protection, and flexible speed control-targeting PC, industrial, and automotive thermal management markets.

FAQ

What is the function of the CLCK pin on ZXBM2001X10TA?

The CLCK pin connects to an external capacitor that sets the timing for rotor lock recovery: charge current (−2.8 µA) and discharge current (+0.35 µA) determine ON and OFF intervals. With a 1 µF capacitor at 12 V, typical timing is 0.36 s ON and 3.6 s OFF, enabling safe, periodic restart attempts after stall detection without overheating external transistors or motor windings.

Can ZXBM2001X10TA drive MOSFETs directly?

Yes-PH1 and PH2 are open-emitter Darlington outputs rated for −80 mA sink current and V_OL ≤ 0.5 V at 5 mA, enabling direct gate drive of logic-level N-channel MOSFETs (e.g., ZXMN3A04DN82). For higher-voltage MOSFETs, external level-shifting or gate drivers may be needed, but the IC's output stage eliminates need for base/gate resistors in most fan applications.

How does the SPD pin work with a thermistor?

The SPD pin contains an internal 52.5 kΩ resistor to GND and 19.5 kΩ resistor to a 2.0 V reference, forming a Thevenin-equivalent 1.5 V bias. A 100 kΩ NTC thermistor from SPD to GND shifts this voltage from ~1.5 V (50% drive) to ~1.0 V (100% drive) as temperature rises from 25°C to 50°C, achieving ±2.5% linearity due to parallel resistor network compensation.

Is ZXBM2001X10TA pin-compatible with ZXBM2002 or ZXBM2003?

No-while all share the same MSOP-10 package and core pinout (VCC, H+, H−, SPD, GND, CLCK, CPWM, PH2, PH1), the LOCK/FG pin function differs: ZXBM2001 combines lock and FG on one pin; ZXBM2002 uses it for lock only; ZXBM2003 uses it for FG only. Swapping variants requires PCB layout changes and firmware logic updates to handle separate or merged signals.

ZXBM2001X10TA Specifications

Product attributes: Attribute value

Manufacturer:: Diodes Incorporated

Series:: -

Package/Case:: 10-TFSOP, 10-MSOP (0.118", 3.00mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Motor Type - Stepper:: -

Motor Type - AC, DC:: Brushless DC (BLDC)

Function:: Controller - Commutation, Direction Management

Output Configuration:: Pre-Driver - Half Bridge (2)

Interface:: PWM

Technology:: -

Step Resolution:: -

Applications:: Fan Controller

Current - Output:: -

Voltage - Supply:: 4.5V ~ 18V

Voltage - Load:: -

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 10-MSOP

ZXBM2001X10TA FAQ

1.How can I place an order for ZXBM2001X10TA through Aetrix?

Please submit a Request for Quotation (RFQ) for ZXBM2001X10TA on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for ZXBM2001X10TA reliable?

The price and inventory of ZXBM2001X10TA are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for ZXBM2001X10TA is usually 5 days.

3.What payment methods are accepted for ZXBM2001X10TA?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for ZXBM2001X10TA transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for ZXBM2001X10TA?

ZXBM2001X10TA orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your ZXBM2001X10TA order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for ZXBM2001X10TA?

For technical support, including ZXBM2001X10TA datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your ZXBM2001X10TA requirements.

6.How does Aetrix verify that ZXBM2001X10TA is sourced from the original manufacturer or authorized distributors?

All ZXBM2001X10TA products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that ZXBM2001X10TA meets industry standards.

7.What is the process for return or replacement of ZXBM2001X10TA?

All ZXBM2001X10TA units undergo pre-shipment inspection (PSI). If there is an issue with ZXBM2001X10TA, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The ZXBM2001X10TA part is unused and in its original packaging.

Return procedure for ZXBM2001X10TA:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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