LTC4444IMS8E#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
The LTC4444IMS8E#PBF is an automotive-grade half-bridge MOSFET gate driver delivering 3 A peak output current with high-side and low-side drive capability in an 8-pin MSOP with exposed pad package. Key specs include Schmitt trigger inputs for noise immunity, non-inverting outputs, and AEC-Q100 automotive qualification for harsh-environment reliability. Ideal for synchronous buck converters, motor half-bridges, and other high-frequency switching applications in automotive and industrial systems.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC4444IMS8E#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $2.5300(MOQ 19)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- 3 A peak gate drive current for both high-side and low-side MOSFETs in a half-bridge configuration
- Schmitt trigger inputs provide hysteresis for superior noise immunity in automotive EMI environments
- AEC-Q100 automotive-qualified in a compact 8-pin MSOP with exposed pad for enhanced thermal dissipation
- Non-inverting output logic simplifies half-bridge control signal routing and PWM interface design
Applications
The LTC4444IMS8E#PBF is designed for automotive powertrain and chassis electronics requiring a rugged, high-current gate driver for synchronous buck DC-DC converters, half-bridge motor drives, and Class D audio amplifier output stages. Its 3 A drive capability enables fast switching transitions on large gate-charge MOSFETs, reducing switching losses at high frequencies up to several hundred kilohertz. The automotive qualification makes it well-suited for electric vehicle subsystems, 12 V battery management, and under-hood power conversion modules.
Specifications
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1662 |
| YTEOL | 10 |
| High Side Driver | YES |
| Input Characteristics | SCHMITT TRIGGER |
| Interface IC Type | HALF BRIDGE BASED MOSFET DRIVER |
| JESD-30 Code | S-PDSO-G8 |
| JESD-609 Code | e3 |
| Number of Functions | 1 |
| Output Characteristics | STANDARD |
| Output Peak Current Limit-Nom | 2.5A |
| Output Polarity | TRUE |
| Package Body Material | PLASTIC/EPOXY |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Qualification Status | Not Qualified |
| Supply Current-Max | 0.55mA |
| Supply Voltage-Max | 13.5V |
| Supply Voltage-Min | 7.2V |
| Supply Voltage-Nom | 12V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.65mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| Turn-off Time | 0.045 µs |
| Turn-on Time | 0.05 µs |
| Package | Small Outline Packages |
Compliance & Regulatory
| RoHS Status | Compliant |
| Lead-Free | Yes (Pb-Free) |
| Moisture Sensitivity Level | MSL 1 |
| ECCN | EAR99 |
| HTS Code | 8542.39.00.01 |
| Country of Origin | Malaysia |
Alternate & Equivalent Parts
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What peak gate drive current does the LTC4444IMS8E#PBF deliver and how does it affect MOSFET switching speed?
The LTC4444IMS8E#PBF delivers 3 A peak gate drive current for both the high-side and low-side channels. This high drive strength rapidly charges and discharges MOSFET gate capacitance, enabling fast switching transitions that reduce switching losses in half-bridge topologies operating at frequencies from tens of kilohertz up to several hundred kilohertz, improving overall converter efficiency.
How does the Schmitt trigger input of the LTC4444IMS8E#PBF benefit automotive motor drive designs?
The Schmitt trigger input provides input hysteresis that prevents false triggering from noise or slow-rising control signals common in automotive environments with high EMI from ignition systems and switching regulators. This ensures clean gate drive pulses even when the PWM controller output has some ringing or noise, maintaining reliable half-bridge operation across the automotive -40°C to +125°C temperature range.
In which automotive subsystems is the LTC4444IMS8E#PBF most commonly deployed?
The LTC4444IMS8E#PBF is commonly used in 12 V and 48 V automotive DC-DC synchronous buck converters powering ECU logic rails, in brushless DC motor half-bridge drives for HVAC blowers and electric power steering, and in Class D audio amplifiers for infotainment systems. Its AEC-Q100 automotive qualification ensures it meets the reliability and temperature standards required for these applications across the -40°C to +125°C automotive operating temperature range.
What package does the LTC4444IMS8E#PBF use and what thermal benefit does the exposed pad provide?
The LTC4444IMS8E#PBF is housed in an 8-pin MSOP (Micro Small Outline Package) with an exposed thermal pad on the bottom. The exposed pad can be soldered directly to the PCB ground plane, providing a low-thermal-resistance path that dissipates heat generated during high-frequency 3 A gate drive switching, allowing the device to operate reliably within its automotive temperature rating.
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About Analog Devices
Analog Devices (ADI) is a global leader in high-performance analog, mixed-signal, and digital signal processing integrated circuits used in virtually all types of electronic equipment.
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