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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Gate Drivers

Infineon Technologies TDA21107

Name: TDA21107
Brand: Infineon Technologies
SKU: TDA21107
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: TDA21107

Manufacturer:: Infineon Technologies

Category:: Gate Drivers

Package:: 8-SOIC (0.154", 3.90mm Width)

Datasheet:: TDA21107.pdf

Description:: IC GATE DRVR HALF-BRIDGE DSO8

Quantity:: RFQ Add To RFQ list

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Product details

Overview

TDA21107 from Infineon Technologies is a dual high-speed MOSFET driver IC designed for half-bridge synchronous DC/DC converters, featuring 5–12 V adjustable high-side gate drive voltage, <100 ns propagation delay, and adaptive shoot-through prevention. It supports multi-phase CPU VRMs, operates up to 1 MHz switching frequency, and delivers 2 A peak source/sink current per output.

For engineers reviewing the TDA21107 datasheet, TDA21107 pinout, TDA21107 application, or TDA21107 equivalent, key selection criteria include bootstrapped high-side drive capability, PWM input compatibility with IFX/Intersil/Analog Devices controllers, shutdown-mode quiescent current, and DSOP-8 footprint compatibility with ADP3418.

Technical Context

The TDA21107 integrates independent high-side (HS) and low-side (LS) drivers with adaptive dead-time control to prevent cross-conduction. Its floating HS driver uses bootstrap capacitor coupling referenced to the PHASE node, enabling operation with V_PHASE up to 15 V and V_BOOT–V_PHASE up to 15 V.

It includes power-on overvoltage protection, under-voltage lockout (UVLO) with 8.6–10.2 V rising threshold, and a three-state PWM input enabling shutdown mode with <10 µA quiescent current. The internal 5 V regulator powers logic circuitry and supports standard TTL/CMOS-compatible input levels.

Key Specifications

Parameter	Value and Actual Design Meaning
V_CC Supply Range	10.8–13.2 V - Enables direct use with 12 V rail in VRM power stages without LDO pre-regulation.
Max Switching Frequency	1 MHz - Supports high-density, high-efficiency multi-phase CPU core supplies.
Propagation Delay	<100 ns - Ensures tight timing alignment between PWM input and gate outputs for precise phase control.
Peak Output Current	±2 A - Drives high-Q_g N-channel MOSFETs (e.g., IPD09N03LA) with fast rise/fall times <25 ns.
UVLO Threshold	8.6–10.2 V (rising), 7.25–8.85 V (falling) - Prevents erratic operation during brown-out or soft-start conditions.
Boot Voltage Range	5–12 V - Allows optimization of high-side MOSFET R_DS(on) vs. gate loss trade-off via external supply.
Shutdown Quiescent Current	<10 µA - Achieved via three-state PWM input, critical for system-level power gating.

Pinout & Package

Package: P-DSOP-8 (Plastic Dual Small Outline Package, 8-pin, exposed thermal pad, 1.27 mm pitch).

Pin/Terminal	Circuit Role	Design Meaning
1: BOOST	Bootstrap capacitor connection	Provides floating supply for high-side driver; must be decoupled to PHASE with ≥100 nF ceramic capacitor.
2: PWM	Digital input control	Three-state compatible input; low = LS on/HS off, high = LS off/HS on, high-Z = shutdown mode.
3: NC	No connect	Internally unconnected; must remain unpopulated and unconnected on PCB.
4: VCC	Logic & driver supply	Powers internal 5 V regulator and LS driver; requires local 1 µF ceramic bypass to GND.
5: GATELS	Low-side gate driver output	Drives N-MOSFET source-to-GND; capable of ±2 A, optimized for <25 ns edge transitions.
6: PGND	Power ground reference	Separate low-impedance return path for LS driver and power stage; must be tied to power ground plane.
7: PHASE	Half-bridge switch node	Connects to drain of HS MOSFET and source of LS MOSFET; serves as bootstrap reference and OVP sensing point.
8: GATEHS	High-side gate driver output	Drives N-MOSFET gate referenced to PHASE; requires external bootstrap diode and capacitor for floating operation.

Key Features

Feature	Design Value
Adaptive shoot-through prevention	Hardware-based dead-time insertion prevents simultaneous HS/LS conduction even under fast transient PWM edges.
Adjustable high-side gate voltage	External BOOT supply (5–12 V) enables tuning of HS MOSFET turn-on resistance vs. gate charge loss.
Power-on overvoltage protection	Monitors PHASE node and disables outputs if V_PHASE exceeds 15 V, protecting downstream MOSFETs.
Footprint compatibility with ADP3418	Pin-for-pin replacement enables drop-in upgrade path for existing designs using Analog Devices' driver.
Three-state PWM input shutdown	Enables system-level power gating with <10 µA total device current, reducing idle power in multi-phase VRMs.

Applications

Desktop CPU VRM

VRM Module

Use Scenario: Multi-phase buck converter supplying 0.8–1.5 V at >100 A to modern x86 processors on ATX motherboards.

IC Role / Device Role / Timing Role: Dual gate driver controlling parallel N-MOSFET half-bridges; synchronizes with CoreControl™ PWM controller for phase interleaving.

Use Value: Fast propagation delay and matched rise/fall times ensure precise phase alignment across 3–6 phases, minimizing output ripple and improving transient response.

Use Scenario: Compact, pluggable voltage regulator module used in server DIMMs or FPGA carrier cards.

IC Role / Device Role / Timing Role: High-density gate driver enabling 1 MHz operation in space-constrained VRM layouts with minimal external components.

Use Value: DSOP-8 package with exposed thermal pad supports >2 A continuous drive current in 10 mm² footprint, meeting IPC-2221 Class B thermal requirements.

Class-D Half-Bridge Amplifier

Industrial Motor Drive

Use Scenario: 50–200 W audio amplifier driving 4–8 Ω loads with >90% efficiency and THD+N <0.05%.

IC Role / Device Role / Timing Role: Gate driver for complementary N-MOSFET output stage; handles bidirectional current flow and fast zero-crossing transitions.

Use Value: Adaptive dead-time control eliminates audible switching artifacts during low-level signal reproduction while maintaining efficiency at full scale.

Use Scenario: 24–48 V BLDC motor inverter for HVAC blowers or industrial pumps requiring robust fault handling.

IC Role / Device Role / Timing Role: Isolated half-bridge driver interfacing with MCU-based 3-phase commutation logic and current-sense feedback.

Use Value: Power-on OVP and UVLO protect MOSFETs during bus voltage ramp-up; PGND separation reduces noise coupling into control logic.

Equivalent & Alternatives

The following parts are listed as comparable options for similar dual high-side/low-side gate driver applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
ADP3418	No integrated OVP; fixed 12 V HS drive; no shutdown mode; identical pinout and timing specs.	Lacks power-on overvoltage protection and low-quiescent shutdown-requires external supervision circuitry in safety-critical VRMs.	Select when cost sensitivity outweighs need for integrated protection and system-level power gating.
IRS2004S	Higher 600 V HS voltage rating; bootstrap diode integrated; slower propagation delay (~200 ns); SOIC-8 package.	Suitable for higher-bus industrial inverters but not optimized for sub-2 V VRM output due to higher drive losses and lower frequency limit (500 kHz max).	Select for 48–400 V half-bridge applications where bus voltage exceeds 15 V and layout simplicity is prioritized over speed.

Compared with ADP3418 and IRS2004S, the TDA21107 uniquely balances 1 MHz capability, integrated OVP, and ultra-low shutdown current in a VRM-optimized DSOP-8 package-making it the preferred choice for high-efficiency, high-density CPU and GPU power delivery where reliability and thermal density are critical.

Availability

TDA21107 is available at Aetrix Electronics and suitable for desktop CPU VRMs, voltage regulator modules, Class-D audio amplifiers, and industrial BLDC motor drives requiring stable component supply, long-lifecycle support, and traceable sourcing.

Supply support for TDA21107 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

Infineon Technologies AG is a German semiconductor manufacturer specializing in power management, automotive, and industrial control ICs, with global R&D and manufacturing infrastructure.

The CoreControl™ product line targets high-performance power conversion systems, specifically addressing the timing, drive strength, and protection needs of advanced synchronous buck regulators and half-bridge topologies.

FAQ

What is the recommended bootstrap capacitor value for TDA21107?

A minimum 100 nF X7R ceramic capacitor rated for ≥16 V must be placed between BOOST and PHASE pins. For 1 MHz operation with high-duty-cycle waveforms, a 220–470 nF capacitor is recommended to maintain sufficient hold-up voltage and minimize ripple-induced shoot-through risk.

Does TDA21107 require an external bootstrap diode?

Yes. An external fast-recovery diode (e.g., 1N4148 or BAT54) must be connected from VCC to BOOST to charge the bootstrap capacitor during the low-side conduction period. The diode's reverse recovery time must be ≤4 ns to avoid charge loss at 1 MHz.

Can TDA21107 drive both high-side and low-side P-channel MOSFETs?

No. The TDA21107 is designed exclusively for N-channel MOSFETs: the low-side driver sinks current to GND, and the high-side driver sources current referenced to PHASE. Driving P-MOSFETs would require inverted logic and incompatible voltage referencing.

How does the three-state shutdown mode function electrically?

When the PWM input is left floating (high-impedance), internal circuitry disables both gate drivers and shuts down the internal 5 V regulator, reducing total supply current to <10 µA. No external pull-up/down resistors are needed-PCB traces must be isolated from all voltage sources during shutdown.

TDA21107 Specifications

Product attributes: Attribute value

Manufacturer:: Infineon Technologies

Series:: CoreControl™

Package/Case:: 8-SOIC (0.154", 3.90mm Width)

Packaging:: Tape & Reel (TR)

Product Status:: Obsolete

Programmable:: Not Verified

Driven Configuration:: Half-Bridge

Channel Type:: Synchronous

Number of Drivers:: 2

Gate Type:: N-Channel MOSFET

Voltage - Supply:: 10.8V ~ 13.2V

Logic Voltage - VIL, VIH:: -

Current - Peak Output (Source, Sink):: -

Input Type:: Non-Inverting

High Side Voltage - Max (Bootstrap):: 30 V

Rise / Fall Time (Typ):: 30ns, 40ns

Operating Temperature:: 0°C ~ 150°C (TJ)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: PG-DSO-8

TDA21107 FAQ

1.How can I place an order for TDA21107 through Aetrix?

Please submit a Request for Quotation (RFQ) for TDA21107 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 TDA21107 reliable?

The price and inventory of TDA21107 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for TDA21107 is usually 5 days.

3.What payment methods are accepted for TDA21107?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for TDA21107 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for TDA21107?

TDA21107 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your TDA21107 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 TDA21107?

For technical support, including TDA21107 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your TDA21107 requirements.

6.How does Aetrix verify that TDA21107 is sourced from the original manufacturer or authorized distributors?

All TDA21107 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 TDA21107 meets industry standards.

7.What is the process for return or replacement of TDA21107?

All TDA21107 units undergo pre-shipment inspection (PSI). If there is an issue with TDA21107, 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 TDA21107 part is unused and in its original packaging.

Return procedure for TDA21107:

1.Submit a request within 90 days.

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

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