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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Full Half-Bridge (H Bridge) Drivers

Vishay Siliconix SIP2204EMP-T1-GE4

Name: SIP2204EMP-T1-GE4
Brand: Vishay Siliconix
SKU: SIP2204EMP-T1-GE4
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: SIP2204EMP-T1-GE4

Manufacturer:: Vishay Siliconix

Category:: Full Half-Bridge (H Bridge) Drivers

Package:: 32-VFQFN Exposed Pad

Datasheet:: SIP2204EMP-T1-GE4.pdf

Description:: IC HALF BRIDGE DRVR 500MA 32QFN

Quantity:: RFQ Add To RFQ list

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Product details

Overview

SiP2204EMP-T1-GE4 from Vishay Siliconix is a quad-channel monolithic power stage IC optimized for multi-phase synchronous buck converters in envelope tracking RF power supplies. It delivers 500 mA continuous current per channel, supports up to 24 V input, and enables switching frequencies up to 10 MHz with 13 ns typical PWM propagation delay. It operates in 4G base station RF amplifier power stages.

For engineers reviewing the SiP2204EMP-T1-GE4 datasheet, SiP2204EMP-T1-GE4 pinout, SiP2204EMP-T1-GE4 application, or SiP2204EMP-T1-GE4 equivalent, key selection criteria include per-channel current capability, high-frequency gate drive performance, thermal resistance (25 °C/W junction-to-PCB), QFN32 5 × 5 mm package compatibility, and dual-voltage PWM logic support (3.3 V/5 V).

Technical Context

The SiP2204EMP-T1-GE4 integrates four independent high-side/low-side MOSFET driver channels with integrated bootstrap regulation and dead-time control. Each channel features matched propagation delay (≤0.75 ns matching) and supports independent VINx and VDRVx supplies-VIN12/VIN34 up to 24 V for high-side drivers, VDRV12/VDRV34 at 4.5–5.5 V for low-side drivers.

It implements fast-switching architecture with 8–22 ns rising/falling PWM propagation delays, 0.35 Ω typical low-side R_DS(on), and 0.55 Ω typical high-side R_DS(on). The global EN pin disables all channels simultaneously, placing outputs in high-impedance state while minimizing standby current.

Key Specifications

Parameter	Value and Actual Design Meaning
Channels	Quad independent power stages for multi-phase buck topology
Input voltage range	10–24 V DC per channel; supports intermediate bus rails in telecom power systems
Continuous output current	500 mA per channel; enables compact, high-density VRPower designs
Max switching frequency	10 MHz per channel; validated at 5 MHz with >90% efficiency at 0.5 A load
PWM propagation delay	13 ns typical (rising); ensures precise timing alignment across all four channels
Logic supply compatibility	3.3 V and 5 V PWM inputs; eliminates level-shifting circuitry in controller interface
Junction temperature range	−40 °C to +125 °C; qualified for industrial and base station ambient conditions

Pinout & Package

SiP2204EMP-T1-GE4 is housed in a thermally enhanced QFN32 5 × 5 × 0.85 mm package with exposed thermal pad (pin 1 marked by indentation). The package supports automated optical inspection and provides 25 °C/W junction-to-PCB thermal resistance.

Pin/Terminal	Circuit Role	Design Meaning
SW1–SW4	Switch node outputs	Four independent high-frequency power stage outputs driving buck inductors
VIN12 / VIN34	High-side driver supply	Dual-input power rails: VIN12 powers channels 1 & 2; VIN34 powers channels 3 & 4
VDRV12 / VDRV34	Low-side driver supply	Separate 4.5–5.5 V bias for low-side gate drivers to suppress noise coupling
VZ12 / VZ34	High-side regulator monitor	Feedback nodes regulated to VIN − 5 V; used for bootstrap voltage validation
PWM1–PWM4	Channel PWM inputs	Four independent 3.3/5 V-compatible logic inputs with 2.4 V rising / 0.8 V falling thresholds
EN	Global enable	Active-high control disabling all channels and forcing high-impedance SW states
PGND (pins 3,4,5,6,13,14,27,28)	Power ground return	Eight dedicated low-inductance paths for high-current switching return
AGND (pins 17,24,33)	Analog reference ground	Three isolated analog grounds for VCIN, VDRV, and internal logic; must be tied externally to PGND
VCIN	Control logic supply	5 V ±0.5 V bias for internal timing, logic, and protection circuitry

Key Features

Feature	Design Value
Quad-channel integration	Four fully independent power stages in single QFN32 package reduce PCB area vs. discrete solutions
Ultra-low propagation delay	13 ns typical PWM-to-SW delay enables stable operation at 10 MHz without timing skew
Multi-rail power architecture	Dual VIN and dual VDRV supplies allow optimized voltage sequencing and noise isolation per channel pair
Thermal performance	25 °C/W junction-to-PCB thermal resistance supports 500 mA/channel continuous operation without forced air
Robust logic interface	3.3 V/5 V PWM compatibility and internal pull-down on EN simplify controller co-design

Applications

RF Envelope Tracking Supply	Synchronous Buck Converter
Use Scenario: Powering LDMOS/GaN RF power amplifiers in 4G/LTE base stations requiring dynamic supply voltage modulation. IC Role / Device Role / Timing Role: Quad-channel monolithic power stage delivering independently modulated, high-frequency buck outputs synchronized to RF signal envelope. Use Value: Enables >90% efficiency at 5 MHz switching with 0.5 A/channel, reducing heat sink size and improving amplifier linearity.	Use Scenario: High-density, multi-phase point-of-load (POL) conversion for FPGA, ASIC, or DSP core supplies in networking equipment. IC Role / Device Role / Timing Role: Four parallel buck stages operated in interleaved phase to lower output ripple and improve transient response. Use Value: 10 MHz capability allows smaller inductors (e.g., 0.68 µH) and ceramic output capacitors, shrinking total solution size by >30%.
Telecom Intermediate Bus Converter	Industrial Motor Drive Gate Driver
Use Scenario: Stepping down 24 V intermediate bus to 5 V/3.3 V rails for baseband processing units in remote radio heads (RRH). IC Role / Device Role / Timing Role: Quad-channel VRPower stage operating in parallel or split-phase mode for high-reliability, low-noise POL delivery. Use Value: Dual VIN rails (VIN12/VIN34) support redundant input sourcing; EN pin enables coordinated power-up sequencing.	Use Scenario: Driving high-side/low-side gates of half-bridge motor control stages in servo drives or PLC I/O modules. IC Role / Device Role / Timing Role: Four independent gate driver channels controlling multiple half-bridges with programmable dead time via external controller. Use Value: 0.35 Ω low-side R_DS(on) and 0.55 Ω high-side R_DS(on) minimize conduction loss at 500 mA gate charge current.

RF Envelope Tracking Supply

Synchronous Buck Converter

Use Scenario: Powering LDMOS/GaN RF power amplifiers in 4G/LTE base stations requiring dynamic supply voltage modulation.

IC Role / Device Role / Timing Role: Quad-channel monolithic power stage delivering independently modulated, high-frequency buck outputs synchronized to RF signal envelope.

Use Value: Enables >90% efficiency at 5 MHz switching with 0.5 A/channel, reducing heat sink size and improving amplifier linearity.

Use Scenario: High-density, multi-phase point-of-load (POL) conversion for FPGA, ASIC, or DSP core supplies in networking equipment.

IC Role / Device Role / Timing Role: Four parallel buck stages operated in interleaved phase to lower output ripple and improve transient response.

Use Value: 10 MHz capability allows smaller inductors (e.g., 0.68 µH) and ceramic output capacitors, shrinking total solution size by >30%.

Telecom Intermediate Bus Converter

Industrial Motor Drive Gate Driver

Use Scenario: Stepping down 24 V intermediate bus to 5 V/3.3 V rails for baseband processing units in remote radio heads (RRH).

IC Role / Device Role / Timing Role: Quad-channel VRPower stage operating in parallel or split-phase mode for high-reliability, low-noise POL delivery.

Use Value: Dual VIN rails (VIN12/VIN34) support redundant input sourcing; EN pin enables coordinated power-up sequencing.

Use Scenario: Driving high-side/low-side gates of half-bridge motor control stages in servo drives or PLC I/O modules.

IC Role / Device Role / Timing Role: Four independent gate driver channels controlling multiple half-bridges with programmable dead time via external controller.

Use Value: 0.35 Ω low-side R_DS(on) and 0.55 Ω high-side R_DS(on) minimize conduction loss at 500 mA gate charge current.

Equivalent & Alternatives

The following parts are listed as comparable options for similar quad-channel power stage applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
SiP2205EMP-T1-GE4	Same QFN32 package; higher 1 A/channel continuous rating; 15 V max VIN	Targeted at higher-current POL applications where 500 mA is insufficient	Select SiP2205EMP-T1-GE4 when >500 mA per channel or lower R_DS(on) is required; not drop-in due to VIN and current rating differences
DrMOS IR35201MTRPBF	8-pin PQFN; dual-channel; 30 A peak; requires external PWM controller and bootstrap caps	Designed for CPU VRMs-not suitable for RF envelope tracking due to lower frequency limit (1.5 MHz max)	Choose IR35201MTRPBF only for high-current, low-frequency digital power delivery; incompatible pinout and system architecture

Compared with SiP2204EMP-T1-GE4, SiP2205EMP-T1-GE4 offers higher current headroom but reduced input voltage range, while IR35201MTRPBF provides higher peak current in a different form factor but lacks the integrated high-frequency capability and quad-channel synchronization needed for envelope tracking.

Availability

SiP2204EMP-T1-GE4 is available at Aetrix Electronics and suitable for RF power amplifier supplies, multi-phase POL converters, and telecom intermediate bus applications requiring stable component supply, high-frequency switching integrity, and thermal reliability in extended temperature environments.

Supply support for SiP2204EMP-T1-GE4 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

Vishay Siliconix is a global leader in discrete semiconductors and power ICs, specializing in high-efficiency, high-reliability silicon solutions for power management and signal conditioning.

The SiP2204EMP-T1-GE4 belongs to Vishay's VRPower family of monolithic power stages, engineered specifically for high-frequency, high-density DC-DC conversion in RF infrastructure and advanced computing systems.

FAQ

What is the maximum recommended switching frequency for SiP2204EMP-T1-GE4?

The SiP2204EMP-T1-GE4 is characterized for stable operation up to 10 MHz per channel, with electrical specifications validated at 5 MHz in efficiency curves (Figs. 6–15). At 5 MHz, it achieves >90% efficiency at 0.5 A output with 15 V input. Layout, thermal management, and gate drive strength must be optimized to sustain 10 MHz operation in production designs. SiP2204EMP-T1-GE4 datasheet Section 4 confirms 10 MHz as the absolute maximum rated switching frequency.

Does SiP2204EMP-T1-GE4 require external bootstrap capacitors?

No, SiP2204EMP-T1-GE4 integrates high-side gate driver regulators and does not require external bootstrap capacitors. Its VZ12 and VZ34 pins monitor internally regulated high-side supplies set to VIN − 5 V (typical), eliminating discrete bootstrap networks. This simplifies layout and improves reliability in high-frequency buck applications. The SiP2204EMP-T1-GE4 functional block diagram (Fig. 3) and operational description confirm full monolithic integration of bootstrap regulation.

How many ground connections does SiP2204EMP-T1-GE4 have, and why are they separated?

SiP2204EMP-T1-GE4 has eight PGND pins (3,4,5,6,13,14,27,28) for high-current power return and three AGND pins (17,24,33) for analog reference. Separation prevents high di/dt switching noise from corrupting internal logic and regulation circuits. The datasheet mandates external connection between AGND and PGND with minimal inductance (<0.5 V transient difference), as stated in Section 6 "Ground Connections". This architecture is essential to maintain SiP2204EMP-T1-GE4 timing accuracy and stability at 10 MHz.

Can SiP2204EMP-T1-GE4 operate with only 3.3 V PWM inputs?

Yes, SiP2204EMP-T1-GE4 supports 3.3 V PWM inputs directly-its PWM threshold is 2.4 V (rising) and 0.8 V (falling), ensuring robust logic-level recognition. Electrical specs (Table 4) list IVDRV and IVCIN currents under 3.3 V PWM conditions, and the "FEATURES" section explicitly states "3.3 V and 5 V PWM logic". No level-shifter is needed, making SiP2204EMP-T1-GE4 compatible with modern low-voltage controllers such as TI's TPS536xx or Infineon's XDPE132xx families.

What is the thermal resistance (θ_JA) of SiP2204EMP-T1-GE4, and how is it achieved?

SiP2204EMP-T1-GE4 has a recommended junction-to-PCB thermal resistance (θ_JB) of 25 °C/W, measured under standard JEDEC 51-14 conditions with 1-inch² 2-oz copper pad and 1 thermal via per mm². This value assumes proper soldering of the exposed thermal pad to an internal ground plane. The datasheet specifies no θ_JA (junction-to-ambient) value because it is highly board-dependent; instead, Vishay provides θ_JB to guide thermal design. Achieving 25 °C/W requires adherence to the land pattern in Doc #63414 and use of ≥6 thermal vias under the pad, as verified in SiP2204EMP-T1-GE4 thermal characterization data.

SIP2204EMP-T1-GE4 Specifications

Product attributes: Attribute value

Manufacturer:: Vishay Siliconix

Series:: -

Package/Case:: 32-VFQFN Exposed Pad

Packaging:: Tape & Reel (TR)

Product Status:: Active

Output Configuration:: Half Bridge

Applications:: Synchronous Buck Converters

Interface:: PWM

Load Type:: Inductive

Technology:: Power MOSFET

Rds On (Typ):: 350mOhm LS, 550mOhm HS

Current - Output / Channel:: 500mA

Current - Peak Output:: 2A

Voltage - Supply:: 10V ~ 24V

Voltage - Load:: -

Operating Temperature:: -40°C ~ 125°C (TA)

Grade:: -

Qualification:: -

Features:: -

Fault Protection:: -

Mounting Type:: Surface Mount

Supplier Device Package:: 32-QFN (5x5)

SIP2204EMP-T1-GE4 FAQ

1.How can I place an order for SIP2204EMP-T1-GE4 through Aetrix?

Please submit a Request for Quotation (RFQ) for SIP2204EMP-T1-GE4 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 SIP2204EMP-T1-GE4 reliable?

The price and inventory of SIP2204EMP-T1-GE4 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for SIP2204EMP-T1-GE4 is usually 5 days.

3.What payment methods are accepted for SIP2204EMP-T1-GE4?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for SIP2204EMP-T1-GE4 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for SIP2204EMP-T1-GE4?

SIP2204EMP-T1-GE4 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your SIP2204EMP-T1-GE4 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 SIP2204EMP-T1-GE4?

For technical support, including SIP2204EMP-T1-GE4 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your SIP2204EMP-T1-GE4 requirements.

6.How does Aetrix verify that SIP2204EMP-T1-GE4 is sourced from the original manufacturer or authorized distributors?

All SIP2204EMP-T1-GE4 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 SIP2204EMP-T1-GE4 meets industry standards.

7.What is the process for return or replacement of SIP2204EMP-T1-GE4?

All SIP2204EMP-T1-GE4 units undergo pre-shipment inspection (PSI). If there is an issue with SIP2204EMP-T1-GE4, 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 SIP2204EMP-T1-GE4 part is unused and in its original packaging.

Return procedure for SIP2204EMP-T1-GE4:

1.Submit a request within 90 days.

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

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