LTC4368HMS-1#PBF Analog Devices Integrated Circuit (Small Outline Packages) In Stock
LTC4368HMS-1 is an automotive-grade input fault protection controller IC from Analog Devices that guards against overvoltage, undervoltage, and reverse supply conditions using external N-channel MOSFETs. It features adjustable thresholds, a 9 V to 80 V operating range, and automotive qualification, housed in a 10-pin MSOP package for 12 V and 48 V automotive and industrial power protection designs.
- Manufacturer
- Analog Devices
- Package
- Small Outline Packages
- Pin Count
- 10
- Lifecycle
- ACTIVE
- Datasheet
- LTC4368HMS-1#PBF Datasheet PDF
- Category
- Integrated Circuit
- Price
- From $3.8000(MOQ 18)
- Temp Range
- -40.0°C to 125.0°C
- RoHS
- Compliant
- Lead Time
- 3–7 business days
- Shipping
- DHL Express · Worldwide
What are the key features of LTC4368HMS-1#PBF?
- Adjustable overvoltage and undervoltage protection thresholds via external resistors
- 9 V to 80 V operating voltage range covering 12 V, 24 V, and 48 V buses
- Reverse supply protection using external N-channel MOSFET
- Automotive-qualified design for harsh electrical environments
- 10-pin MSOP package for compact protection circuit layouts
- Fast fault response with programmable timing for inrush and transient management
What is LTC4368HMS-1#PBF used for?
The LTC4368HMS-1 protects automotive ECU power inputs from load-dump transients, reverse polarity, and voltage excursions on 12 V and 48 V bus architectures commonly found in passenger and commercial vehicles. Industrial power supplies and telecom equipment use it to guard sensitive downstream circuits from upstream voltage faults, eliminating zener-clamp or TVS-only approaches that dissipate excess power. Its adjustable thresholds allow a single design to cover multiple supply rails and protection window requirements across product variants.
What are the specifications of LTC4368HMS-1#PBF?
| Pbfree Code | No |
| Manufacturer Package Code | 05-08-1661 |
| YTEOL | 10 |
| Adjustable Threshold | YES |
| Analog IC - Other Type | INPUT FAULT PROTECTION CONTROLLER |
| JESD-30 Code | S-PDSO-G10 |
| JESD-609 Code | e3 |
| Number of Channels | 1 |
| Number of Functions | 1 |
| Package Body Material | PLASTIC/EPOXY |
| Package Equivalence Code | TSSOP10,.19,20 |
| Package Shape | SQUARE |
| Package Style | SMALL OUTLINE, HEAT SINK/SLUG, THIN PROFILE, SHRINK PITCH |
| Peak Reflow Temperature (Cel) | 260 |
| Supply Current-Max (Isup) | 0.1mA |
| Supply Voltage-Max (Vsup) | 60V |
| Supply Voltage-Min (Vsup) | 2.5V |
| Supply Voltage-Nom (Vsup) | 5V |
| Surface Mount | YES |
| Technology | CMOS |
| Temperature Grade | AUTOMOTIVE |
| Terminal Finish | Matte Tin (Sn) - annealed |
| Terminal Form | GULL WING |
| Terminal Pitch | 0.5mm |
| Terminal Position | DUAL |
| Time@Peak Reflow Temperature-Max (s) | 30 |
| 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 |
Where can I find the LTC4368HMS-1#PBF datasheet?
LTC4368HMS-1#PBF Datasheet DownloadOfficial datasheet from Analog Devices
What are equivalent replacements for LTC4368HMS-1#PBF?
No known alternates. Submit an RFQ and our team can suggest alternatives.
Frequently Asked Questions
What fault conditions does the LTC4368HMS-1 protect against, and how are the thresholds set?
The LTC4368HMS-1 protects against overvoltage, undervoltage, and reverse supply conditions on inputs from 9 V to 80 V. Overvoltage and undervoltage thresholds are set by external resistor dividers connected to the OV and UV pins, giving designers flexibility to define precise protection windows for 12 V, 24 V, or 48 V bus applications without requiring a different IC variant.
Why does the LTC4368HMS-1 use an external N-channel MOSFET rather than an integrated switch?
Using an external N-channel MOSFET allows the designer to select a device rated for the exact current and voltage requirements of the specific application, from a few amps to tens of amps on a 48 V bus. This also keeps power dissipation and thermal management outside the IC package, enabling the controller to remain in a compact 10-pin MSOP while the MOSFET is placed where it can be heatsinked or cooled appropriately.
For a 48 V mild-hybrid automotive system, how does the LTC4368HMS-1 handle load-dump transients exceeding the normal supply voltage?
Load-dump events in 48 V automotive systems can spike to 70 V or beyond; the LTC4368HMS-1 supports inputs up to 80 V, so it detects the excursion within microseconds and turns off the external N-channel MOSFET to disconnect the downstream load before the transient causes damage. After the overvoltage clears and the supply returns within the programmed window, the controller re-enables the MOSFET in a controlled manner to avoid restart inrush.
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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 |
|---|---|---|
| 18+ | $11.3821 | $204.88 |
| 23+ | $11.0027 | $253.06 |
| 31+ | $9.8645 | $305.80 |
| 100+ | $6.5300 | $653.00 |
| 250+ | $3.8680 | $967.00 |
| 500+ | $3.8000 | $1900.00 |
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