LTC4444MPMS8E-5#TRPBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
Analog Devices LTC4444MPMS8E-5#TRPBF is an automotive-grade dual-output high-side and low-side half-bridge MOSFET gate driver with 1.75 A peak drive current and Schmitt trigger inputs in an 8-pin MSOP with exposed pad. It features totem-pole outputs for fast gate switching and is designed for reliable operation in automotive power management applications. Available on tape-and-reel in-stock worldwide for immediate production deployment.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 8
- Lifecycle
- ACTIVE
- Datasheet
- LTC4444MPMS8E-5#TRPBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.9800(MOQ 1)
- Temp Range
- -55.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
Key Features
- Dual high-side and low-side outputs with 1.75 A peak gate drive current for fast, low-loss MOSFET switching in half-bridge power stages
- Schmitt trigger inputs providing noise immunity and clean switching transitions in electrically noisy automotive environments
- Totem-pole output stage enabling both fast turn-on and turn-off of power MOSFETs to minimize switching losses
- Automotive-grade 8-pin MSOP with exposed pad for improved thermal dissipation in under-hood high-temperature applications
Applications
The LTC4444MPMS8E-5#TRPBF is used in automotive DC-DC converters, synchronous buck regulators, and half-bridge inverter stages requiring reliable high-current gate drive at switching frequencies up to several hundred kilohertz. It is well suited for EV auxiliary power modules, motor H-bridge drive circuits, and 12 V to 48 V battery management power stages needing 1.75 A drive capability. The automotive-grade rating and Schmitt trigger inputs make it robust against the high EMI levels present in vehicle powertrain and body control environments.
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 | TOTEM-POLE |
| Output Peak Current Limit-Nom | 1.4A |
| 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 | 0.52mA |
| Supply Voltage-Max | 13.5V |
| Supply Voltage-Min | 4.5V |
| Supply Voltage-Nom | 6V |
| Supply Voltage1-Max | 114V |
| Supply Voltage1-Min | 5V |
| Supply Voltage1-Nom | 6V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | MILITARY |
| 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 | 0.06 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 |
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 LTC4444MPMS8E-5#TRPBF deliver and how does this affect MOSFET switching speed?
The LTC4444MPMS8E-5#TRPBF provides 1.75 A peak gate drive current per output, allowing it to charge and discharge large MOSFET gate capacitances in nanoseconds. For a MOSFET with 10 nC gate charge, 1.75 A drive current achieves a gate transition in approximately 5 ns, minimizing switching losses in high-frequency converters operating above 100 kHz.
How does the Schmitt trigger input of the LTC4444MPMS8E-5#TRPBF improve reliability in automotive EMI environments?
The Schmitt trigger inputs add hysteresis to the switching threshold, typically 100 mV to 400 mV, preventing spurious triggering from conducted or radiated noise on PWM control lines in automotive wiring harnesses. This hysteresis ensures clean single-transition gate pulses even when input signal edges are slow or contaminated with 100 mV-level EMI spikes common near ignition and motor drivers.
For which automotive power conversion topologies is the LTC4444MPMS8E-5#TRPBF most commonly used?
This driver is typically used in synchronous half-bridge buck converters for 12 V automotive power rails, full H-bridge motor drives for window lifters or seat adjusters, and bidirectional DC-DC converters in 48 V mild hybrid systems. Its dual high-side and low-side outputs with 1.75 A drive current handle MOSFETs with gate capacitances up to several nanofarads at switching frequencies of 100 kHz to 500 kHz.
What package and thermal features does the LTC4444MPMS8E-5#TRPBF offer for compact automotive PCB designs?
The device is housed in an 8-pin MSOP with an exposed thermal pad that conducts heat directly to the PCB ground plane, lowering junction-to-board thermal resistance compared to standard MSOP-8 packages without exposed pads. This enables higher continuous gate drive duty cycles in under-hood ambient temperatures up to 125°C without additional heatsinking, making it suitable for space-constrained automotive power modules.
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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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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1+ | $5.5700 | $5.57 |
| 19+ | $5.2800 | $100.32 |
| 1000+ | $3.9800 | $3980.00 |
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