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Analog Devices Inc. LTC7065RMSE#PBF
- Part No.:
- LTC7065RMSE#PBF
- Manufacturer:
- Analog Devices Inc.
- Category:
- Gate Drivers
- Package:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Datasheet:
-
LTC7065RMSE#PBF.pdf
- Description:
- IC GATE DRVR HALF-BRIDGE 10MSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,056
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Product details
Overview
LTC7065RMSE#PBF from Analog Devices is a 100V half-bridge dual N-channel MOSFET gate driver with adaptive shoot-through protection, 1.3Ω pull-down / 1.6Ω pull-up drive strength, and independent 6–14V VCC and 4–14V BST-SW supply ranges. It operates across –40°C to 150°C junction temperature and drives high-voltage power stages in isolated industrial DC/DC converters.
For engineers reviewing the LTC7065RMSE#PBF datasheet, LTC7065RMSE#PBF pinout, LTC7065RMSE#PBF application, or LTC7065RMSE#PBF equivalent, key selection criteria include its adaptive shoot-through logic, thermally enhanced 10-lead MSOP package, three-state PWM input with internal resistor divider for high-Z mode, and dual UVLO (VCC and BST-SW) with hysteresis.
Technical Context
The LTC7065RMSE#PBF implements a ground-referenced three-state PWM interface with fixed VIH/VIL thresholds (e.g., VIH(TG) = 3.2V typ, VIL(BG) = 1.25V typ) and an enable pin with 1.25V threshold and 165mV hysteresis. Its output stage uses PMOS pull-up (1.6Ω typ) and NMOS pull-down (1.3Ω typ) per channel, delivering ≤29ns rise time into 3nF load.
Adaptive shoot-through protection monitors TG–SW and BG–PGND voltages to enforce dead-time without external timing components. The IC integrates separate undervoltage lockout circuits on VCC (5.4V threshold) and BST–SW (3.4V threshold), both with 0.3V hysteresis, ensuring safe turn-off during supply brownout.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Max Input Voltage | 100V - supports high-input industrial and telecom power rails without derating. |
| VCC Supply Range | 6V to 14V - powers bottom gate driver and internal 4.5V logic rail; independent of VIN. |
| BST–SW Range | 4V to 14V - powers top gate driver; enables compatibility with logic-level and standard-threshold MOSFETs. |
| Pull-Up Resistance | 1.6Ω typ - delivers ~2.6A peak source current at 10V, enabling fast MOSFET turn-on. |
| Pull-Down Resistance | 1.3Ω typ - delivers ~3.6A peak sink current at 10V, minimizing cross-conduction risk. |
| Propagation Delay | tPLH(TG) = 37ns, tPLH(BG) = 41ns - ensures precise timing control in high-frequency (>1MHz) converters. |
| UVLO Thresholds | VUVLO_VCC = 5.4V, VUVLO_BST = 3.4V - prevents MOSFET misfiring during supply ramp-up/down. |
Pinout & Package
The LTC7065RMSE#PBF is housed in a thermally enhanced 10-lead plastic MSOP (MSE) package with exposed DGND pad soldered to PCB ground for electrical integrity and thermal performance (θJA = 40°C/W). Pin 11 (exposed pad) is DGND and must be connected to PCB ground plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| PWM | Three-state gate driver input | Ground-referenced logic input; internal resistor divider forces high-Z (both outputs off) when floating. |
| EN | Enable control input | Logic-high (>1.25V) enables switching; internal 2MΩ pull-down ensures default disable state. |
| VCC | Bottom gate driver supply | Powers BG output and internal 4.5V regulator; requires ≥4.7µF low-ESR bypass to PGND. |
| NC (Pins 4 & 7) | No internal connection | Physically isolated to prevent arcing between high-voltage pins; must remain unconnected. |
| BG | Bottom gate driver output | Drives N-MOSFET gate between VCC and PGND; Kelvin-connected to MOSFET source for noise immunity. |
| PGND | Power ground return | Low-inductance return path for BG current; must tie closely to bottom MOSFET source. |
| SW | High-side driver return | Reference node for TG output; Kelvin-connected to top MOSFET source to minimize dV/dt coupling. |
| TG | Top gate driver output | Drives N-MOSFET gate between BST and SW; sensitive to layout-induced ringing. |
| BST | High-side driver supply | Bootstrapped supply referenced to SW; requires external capacitor (e.g., 0.1µF) between BST and SW. |
| DGND | Signal ground reference | Reference for PWM, EN, and internal logic; tied internally to exposed pad and PGND for thermal conduction. |
Key Features
| Feature | Design Value |
|---|---|
| Adaptive shoot-through protection | Monitors TG–SW and BG–PGND voltages in real time to dynamically enforce dead-time-no external RC timing required. |
| Independent high- and low-side supplies | VCC (6–14V) and BST–SW (4–14V) operate independently, enabling flexible MOSFET selection and robust bootstrapping. |
| Three-state PWM input with auto high-Z | Internal resistor divider pulls PWM to ~2.1V when floating, forcing both TG and BG low-eliminates need for external pull resistors. |
| Dual UVLO with hysteresis | VCC UVLO (5.4V/0.3V) and BST–SW UVLO (3.4V/0.3V) ensure fail-safe shutdown during supply faults. |
| Thermally optimized MSOP-10 | Exposed DGND pad reduces θJA to 40°C/W; mandatory soldering to PCB ground ensures rated thermal performance. |
Applications
| Industrial Half-Bridge Inverters | Telecom DC/DC Converters |
|---|---|
Use Scenario: 48V–72V input DC/DC conversion in base station power supplies with synchronous rectification. IC Role / Device Role / Timing Role: Gate driver controlling dual N-MOSFET half-bridge; provides precise dead-time and fast edge rates for >500kHz operation. Use Value: Adaptive shoot-through protection eliminates external timing circuitry while maintaining efficiency at high VIN and variable load. |
Use Scenario: Isolated 12V/180A multiphase buck converter using LTC7871 controller and paralleled MOSFETs. IC Role / Device Role / Timing Role: High-side/low-side gate driver with Kelvin SW and PGND connections to suppress dV/dt-induced false turn-on. Use Value: 1.3Ω pull-down resistance ensures rapid MOSFET turn-off under high dV/dt, preventing cross-conduction in multi-phase layouts. |
| High-Voltage Motor Drives | Server VRMs |
Use Scenario: 100V bus-powered BLDC motor gate drive in factory automation systems. IC Role / Device Role / Timing Role: Half-bridge driver interfacing with microcontroller PWM; EN pin enables hardware emergency stop. Use Value: Three-state PWM input allows seamless transition to high-Z (safe coast) during fault conditions without software intervention. |
Use Scenario: 12V input, 0.8V/150A output VRM for AI accelerators requiring tight regulation and fast transient response. IC Role / Device Role / Timing Role: Gate driver for high-frequency (1MHz+) synchronous buck stage; low propagation delay (<41ns) maintains phase alignment across phases. Use Value: Dual UVLO ensures both high- and low-side MOSFETs shut down simultaneously during VCC or bootstrap supply failure-preventing shoot-through. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar half-bridge gate driver applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| LTC7063 | 150V max input rating; includes floating ground capability and adjustable dead-time; MSOP-12 package. | Required where input voltage exceeds 100V or where programmable dead-time is needed for custom timing optimization. | Select LTC7063 when operating above 100V or needing user-configurable dead-time; not pin-compatible with LTC7065RMSE#PBF. |
| LTC7060 | 115V max input; includes floating grounds and programmable dead-time; same MSOP-12 footprint as LTC7063. | Suitable for designs requiring higher voltage margin and fine-grained dead-time tuning, especially in isolated topologies. | Choose LTC7060 for 115V-rated systems with floating ground requirements; differs in pin count and dead-time architecture. |
Compared with LTC7065RMSE#PBF, LTC7063 offers higher voltage headroom and design flexibility at the cost of larger package and added complexity, while LTC7060 adds programmable dead-time but sacrifices the compact 10-pin MSOP form factor-making LTC7065RMSE#PBF optimal for space-constrained 100V half-bridge designs prioritizing simplicity and thermal efficiency.
Availability
LTC7065RMSE#PBF is available at Aetrix Electronics and suitable for industrial power systems, half-bridge DC/DC converters, and telecommunication power systems requiring stable component supply across extended temperature and high-reliability production cycles.
Supply support for LTC7065RMSE#PBF 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
Analog Devices, Inc. is a global semiconductor company specializing in high-performance analog, mixed-signal, and digital signal processing technologies for precision instrumentation, power management, and industrial systems.
The LTC7065RMSE#PBF belongs to Analog Devices' high-voltage gate driver product line, engineered specifically for robust, efficient control of N-channel MOSFETs in demanding half-bridge power conversion applications up to 100V input.
FAQ
What is the maximum input voltage rating for the LTC7065RMSE#PBF?
The LTC7065RMSE#PBF has a maximum input voltage rating of 100V, specified as the absolute maximum SW pin voltage relative to PGND. This rating is independent of the VCC supply voltage and enables direct use in high-input industrial and telecom power systems without external level-shifting or clamping.
Does the LTC7065RMSE#PBF support bootstrapped high-side drive?
Yes, the LTC7065RMSE#PBF supports bootstrapped high-side drive via the BST pin, which forms a floating supply referenced to the SW node. An external capacitor (e.g., 0.1µF) must be placed between BST and SW, and the BST–SW voltage range is specified from 4V to 14V-enabling reliable gate drive for standard and logic-level N-MOSFETs.
How does the adaptive shoot-through protection work in the LTC7065RMSE#PBF?
The LTC7065RMSE#PBF implements adaptive shoot-through protection by continuously monitoring the TG–SW and BG–PGND voltages. It prevents simultaneous conduction by enforcing dynamic dead-time-only allowing BG turn-on when TG–SW falls below threshold, and vice versa-without requiring external timing components or configuration.
What is the purpose of the three-state PWM input in the LTC7065RMSE#PBF?
The three-state PWM input in the LTC7065RMSE#PBF allows active high, active low, and high-impedance (high-Z) states. When the PWM pin floats, an internal resistor divider pulls it to ~2.1V, placing both TG and BG in high-Z (off) state-providing inherent fault safety without external pull resistors or controller firmware intervention.
Is the LTC7065RMSE#PBF pin-compatible with other devices in the LTC706x family?
No, the LTC7065RMSE#PBF is not pin-compatible with other LTC706x family members. It uses a 10-lead MSOP package, whereas LTC7060 and LTC7063 use 12-lead MSOP packages with different pin counts and assignments-including dedicated floating ground pins absent in the LTC7065RMSE#PBF.
LTC7065RMSE#PBF Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Analog Devices Inc.
- Series:
- -
- Package/Case:
- 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) Exposed Pad
- Packaging:
- Tube
- Product Status:
- Active
- Programmable:
- -
- Driven Configuration:
- Half-Bridge
- Channel Type:
- Synchronous
- Number of Drivers:
- 2
- Gate Type:
- N-Channel MOSFET
- Voltage - Supply:
- 6V ~ 14V
- Logic Voltage - VIL, VIH:
- 1.4V, 3.45V, 0.85V, 2.7V
- Current - Peak Output (Source, Sink):
- 2.6A, 2.6A
- Input Type:
- Non-Inverting
- High Side Voltage - Max (Bootstrap):
- 115 V
- Rise / Fall Time (Typ):
- 23ns, 29ns, 20ns, 28ns
- Operating Temperature:
- -40°C ~ 150°C (TJ)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-MSOP-EP
LTC7065RMSE#PBF FAQ
1.How can I place an order for LTC7065RMSE#PBF through Aetrix?
Please submit a Request for Quotation (RFQ) for LTC7065RMSE#PBF 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 LTC7065RMSE#PBF reliable?
The price and inventory of LTC7065RMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC7065RMSE#PBF is usually 5 days.
3.What payment methods are accepted for LTC7065RMSE#PBF?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC7065RMSE#PBF transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LTC7065RMSE#PBF?
LTC7065RMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LTC7065RMSE#PBF 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 LTC7065RMSE#PBF?
For technical support, including LTC7065RMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC7065RMSE#PBF requirements.
6.How does Aetrix verify that LTC7065RMSE#PBF is sourced from the original manufacturer or authorized distributors?
All LTC7065RMSE#PBF 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 LTC7065RMSE#PBF meets industry standards.
7.What is the process for return or replacement of LTC7065RMSE#PBF?
All LTC7065RMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC7065RMSE#PBF, 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 LTC7065RMSE#PBF part is unused and in its original packaging.
Return procedure for LTC7065RMSE#PBF:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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