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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Gate Drivers

Analog Devices Inc. LTC7061EMSE#PBF

Name: LTC7061EMSE#PBF
Brand: Analog Devices Inc.
SKU: LTC7061EMSE#PBF
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: LTC7061EMSE#PBF

Manufacturer:: Analog Devices Inc.

Category:: Gate Drivers

Package:: 12-TSSOP (0.118", 3.00mm Width) Exposed Pad

Datasheet:: LTC7061EMSE#PBF.pdf

Description:: IC GATE DRVR HALF-BRIDGE 12MSOP

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Product details

Overview

LTC7061EMSE#PBF from Analog Devices is a 100V half-bridge gate driver IC for dual N-channel MOSFETs, featuring independent floating grounds (SW and BGRTN), adjustable dead-time via external resistor, 0.8Ω pull-down / 1.5Ω pull-up drive strength, and adaptive shoot-through protection. It operates with VCC = 5–14V and supports gate driver supplies up to 14V referenced to SW or BGRTN, enabling robust control in high-noise industrial DC/DC converters.

For engineers reviewing the LTC7061EMSE#PBF datasheet, LTC7061EMSE#PBF pinout, LTC7061EMSE#PBF application, or LTC7061EMSE#PBF equivalent, key selection criteria include its ±10V ground difference tolerance, programmable 32–250 ns dead-time, TTL/CMOS-compatible inputs with internal 1 MΩ pull-downs, open-drain FLT fault flag with 100 µs delay, and thermal shutdown at ~180°C junction temperature.

Technical Context

The LTC7061EMSE#PBF implements symmetric floating-level shifters for both high-side (BST–SW) and low-side (BGVCC–BGRTN) drivers, each with independent UVLO monitoring (3.4V threshold, 0.3V hysteresis). Its logic inputs (TOPIN/BOTIN) feature fixed VIH = 1.75V and VIL = 0.5V thresholds with hysteresis to suppress noise-induced false triggering during fast switch-node transients.

Adaptive shoot-through protection enforces sequencing: bottom MOSFET turn-on is blocked until top MOSFET V_GS falls below threshold, and vice versa-without requiring external timing circuitry. Dead-time is set by a single resistor (R_DT) from DT to SGND, yielding 32 ns (R_DT = 0 Ω) to 250 ns (R_DT open), with linear scaling per R_DT × 0.44 ns/kΩ + 32 ns.

Key Specifications

Parameter	Value and Actual Design Meaning
V_IN Max	100V input voltage rating independent of V_CC; enables direct use in 48V/60V bus systems without level-shifting.
V_CC Range	5V to 14V operation; internal 4.5V bias rail ensures stable logic core performance across supply variation.
Driver R_UP/R_DOWN	1.5Ω pull-up / 0.8Ω pull-down (at 10V supply); delivers ~3A peak pull-up and ~6A peak pull-down current for fast MOSFET switching.
Dead-Time Range	32 ns to 250 ns, externally adjustable via R_DT; prevents cross-conduction in hard-switched half-bridges up to 1 MHz.
Ground Tolerance	±10V differential between SW/SGND and BGRTN/SGND; maintains reliable operation under high dV/dt noise in motor drives and telecom PSUs.
FLT Response	Open-drain fault output pulled low on V_CC UVLO/OVLO, BST-SW or BGVCC-BGRTN UVLO, or thermal shutdown; includes 100 µs blanking delay.
Temp Range	–40°C to +125°C junction (E-grade); qualified per AEC-Q100 automotive stress test requirements (in progress).

Pinout & Package

Package: 12-lead plastic MSOP with exposed pad (Pin 13 = SGND), θ_JA = 40°C/W. Exposed pad must be soldered to PCB ground for thermal and electrical integrity.

Pin/Terminal	Circuit Role	Design Meaning
TOPIN	High-side logic input	TTL/CMOS-compatible; 1.75V VIH / 0.5V VIL; internal 1 MΩ pull-down holds TG low when un-driven.
BOTIN	Low-side logic input	Identical threshold and pull-down to TOPIN; enables independent PWM or three-state control.
FLT	Fault indicator output	Open-drain N-MOS; pulls to SGND on V_CC, BST-SW, or BGVCC-BGRTN UVLO, or thermal shutdown.
DT	Dead-time programming	Resistor-to-SGND sets propagation delay (32–250 ns) between complementary driver transitions.
V_CC	IC bias supply	Powers internal logic; generates 4.5V rail; independent of floating supplies; UVLO at 4.3V (falling).
BST	Top-driver bootstrap supply	Provides gate drive voltage for TG output relative to SW; UVLO at 3.4V (BST–SW).
TG	Top-gate driver output	Drives N-MOS gate between BST and SW; 1.5Ω pull-up / 0.8Ω pull-down; rise/fall time ≤18 ns (3.3 nF load).
SW	Top-driver return / switch node	Kelvin-connected to top MOSFET source; withstands –10V to +100V vs SGND; reference for BST and TG.
BGVCC	Bottom-driver supply	Provides gate drive voltage for BG output relative to BGRTN; UVLO at 3.4V (BGVCC–BGRTN).
BG	Bottom-gate driver output	Drives N-MOS gate between BGVCC and BGRTN; identical drive strength and timing to TG.
BGRTN	Bottom-driver return	Kelvin-connected to bottom MOSFET source; withstands –10V to +100V vs SGND; reference for BGVCC and BG.
SGND	Chip ground / thermal pad	Reference for V_CC, DT, FLT, TOPIN, BOTIN; exposed pad (Pin 13) must be soldered to PCB ground plane.

Key Features

Feature	Design Value
Symmetric floating architecture	Independent BST–SW and BGVCC–BGRTN domains enable true isolated half-bridge control with ±10V ground offset tolerance.
Adjustable dead-time	Single R_DT resistor sets precise 32–250 ns delay between complementary outputs-critical for ZVS/ZCS resonant topologies.
Adaptive shoot-through protection	Hardware-enforced sequencing prevents simultaneous conduction without software or external logic, improving reliability in high-voltage converters.
Robust fault reporting	Integrated open-drain FLT pin signals all critical faults (V_CC, floating supply UVLO, thermal shutdown) with built-in 100 µs debounce.
Thermally enhanced MSOP	12-lead MSOP with exposed SGND pad achieves 40°C/W θ_JA, supporting continuous 150°C junction operation in compact layouts.

Applications

Industrial Motor Drives	Telecom DC/DC Converters
Use Scenario: Driving high-side/low-side N-MOSFETs in 48V BLDC inverter stages with fast dV/dt (>50 V/ns) and ground bounce. IC Role / Device Role / Timing Role: Half-bridge gate driver providing independent floating references, adaptive shoot-through guard, and 32 ns minimum dead-time for 20–100 kHz PWM. Use Value: Eliminates need for discrete level-shifters and external dead-time circuits while maintaining >98% efficiency at full load due to 0.8Ω pull-down strength.	Use Scenario: Controlling synchronous rectification in isolated 48V-to-12V telecom PSUs operating at 300–500 kHz with tight regulation. IC Role / Device Role / Timing Role: High-speed gate driver with <18 ns rise/fall times and programmable dead-time to minimize body-diode conduction loss in SiC MOSFETs. Use Value: Enables >96% peak efficiency by reducing switching losses through precise gate timing and strong 6A peak pull-down current.
Automotive On-Board Chargers	Server PSU Half-Bridge Stages
Use Scenario: Driving 100V N-MOSFETs in bidirectional AC/DC OBC PFC and DC/DC stages meeting AEC-Q100 Grade 1 requirements. IC Role / Device Role / Timing Role: Automotive-qualified gate driver with –40°C to +125°C operation, V_CC OVLO (14.6V), and fault-flag reporting for system diagnostics. Use Value: Supports functional safety compliance (ASIL-B ready) via integrated UVLO/OVLO, thermal shutdown, and fault pin with 100 µs delay.	Use Scenario: Controlling high-current half-bridge power stages in 48V server PSUs using paralleled 60V MOSFETs with >10 nC total Q_G. IC Role / Device Role / Timing Role: Dual-channel driver with 1.5Ω/0.8Ω drive strength and 3.3 nF load capability to ensure sub-20 ns edge rates across multiple paralleled devices. Use Value: Reduces gate-drive loop inductance sensitivity and improves EMI margin by eliminating external gate resistors in high-frequency designs.

Industrial Motor Drives

Telecom DC/DC Converters

Use Scenario: Driving high-side/low-side N-MOSFETs in 48V BLDC inverter stages with fast dV/dt (>50 V/ns) and ground bounce.

IC Role / Device Role / Timing Role: Half-bridge gate driver providing independent floating references, adaptive shoot-through guard, and 32 ns minimum dead-time for 20–100 kHz PWM.

Use Value: Eliminates need for discrete level-shifters and external dead-time circuits while maintaining >98% efficiency at full load due to 0.8Ω pull-down strength.

Use Scenario: Controlling synchronous rectification in isolated 48V-to-12V telecom PSUs operating at 300–500 kHz with tight regulation.

IC Role / Device Role / Timing Role: High-speed gate driver with <18 ns rise/fall times and programmable dead-time to minimize body-diode conduction loss in SiC MOSFETs.

Use Value: Enables >96% peak efficiency by reducing switching losses through precise gate timing and strong 6A peak pull-down current.

Automotive On-Board Chargers

Server PSU Half-Bridge Stages

Use Scenario: Driving 100V N-MOSFETs in bidirectional AC/DC OBC PFC and DC/DC stages meeting AEC-Q100 Grade 1 requirements.

IC Role / Device Role / Timing Role: Automotive-qualified gate driver with –40°C to +125°C operation, V_CC OVLO (14.6V), and fault-flag reporting for system diagnostics.

Use Value: Supports functional safety compliance (ASIL-B ready) via integrated UVLO/OVLO, thermal shutdown, and fault pin with 100 µs delay.

Use Scenario: Controlling high-current half-bridge power stages in 48V server PSUs using paralleled 60V MOSFETs with >10 nC total Q_G.

IC Role / Device Role / Timing Role: Dual-channel driver with 1.5Ω/0.8Ω drive strength and 3.3 nF load capability to ensure sub-20 ns edge rates across multiple paralleled devices.

Use Value: Reduces gate-drive loop inductance sensitivity and improves EMI margin by eliminating external gate resistors in high-frequency designs.

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
IRS21844SPbF	Fixed 680 ns dead-time; no adjustable DT pin; lower max V_BS = 600V but only 20V V_CC range; no open-drain FLT.	Best suited for cost-sensitive 100–200 kHz inverters where dead-time is fixed and fault reporting is handled externally.	Select IRS21844SPbF only if design requires integrated bootstrap diode and fixed dead-time suffices; not suitable for <32 ns or programmable timing needs.
LM5109BMAX/NOPB	No floating ground tolerance (requires common GND); 1.8Ω/1.3Ω drive strength; no adaptive shoot-through; V_CC UVLO only (no BST/BGVCC monitoring).	Targeted at low-noise, low-voltage (<60V) buck/boost converters where ground separation is not required.	Choose LM5109BMAX/NOPB for simpler, lower-cost 12–24V systems without high dV/dt or ground isolation demands.

Compared with IRS21844SPbF and LM5109BMAX/NOPB, the LTC7061EMSE#PBF uniquely combines ±10V ground offset tolerance, fully adjustable dead-time, independent floating supply UVLO, and adaptive shoot-through-making it the only option among the three qualified for high-reliability 100V industrial and automotive half-bridge applications requiring noise immunity and precise timing control.

Availability

LTC7061EMSE#PBF is available at Aetrix Electronics and suitable for industrial motor drives, telecom DC/DC converters, and automotive on-board chargers requiring stable component supply, long-term lifecycle support, and AEC-Q100-aligned qualification.

Supply support for LTC7061EMSE#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 is a global leader in high-performance analog, mixed-signal, and digital signal processing semiconductors, serving precision instrumentation, industrial automation, and power management markets.

The LTC7061 belongs to Analog Devices' high-voltage gate driver product line, engineered specifically for noise-immune, high-reliability half-bridge control in 48V–100V power systems including EV charging, telecom infrastructure, and industrial motor control.

FAQ

What is the maximum allowable voltage difference between SW and SGND for the LTC7061EMSE#PBF?

The LTC7061EMSE#PBF supports a voltage range of –10V to +100V between SW and SGND, enabling operation in high-dV/dt environments such as motor drives and telecom PSUs where ground bounce exceeds ±5V. This specification is verified per Absolute Maximum Ratings and confirmed in the Electrical Characteristics table under "SW, BGRTN" entry.

Does the LTC7061EMSE#PBF require external bootstrap diodes for the BST and BGVCC supplies?

Yes-the LTC7061EMSE#PBF does not integrate bootstrap diodes. External Schottky diodes must be used to charge the BST and BGVCC capacitors from V_CC. The datasheet specifies typical values (e.g., 0.1 µF CB) and recommends low-forward-voltage, fast-recovery diodes placed close to the IC to minimize loop inductance and ensure reliable bootstrapping.

How is dead-time adjusted on the LTC7061EMSE#PBF, and what is the minimum achievable value?

Dead-time on the LTC7061EMSE#PBF is set by connecting a resistor (R_DT) from the DT pin to SGND. With R_DT = 0 Ω, the minimum dead-time is 32 ns. The relationship follows Dead-Time = R_DT × 0.44 ns/kΩ + 32 ns, validated across 0–100 kΩ in Figure 2 of the datasheet. An open DT pin yields ~250 ns.

What fault conditions trigger the FLT pin on the LTC7061EMSE#PBF?

The FLT pin on the LTC7061EMSE#PBF is pulled low during V_CC UVLO (≤4.3V) or OVLO (≥14.6V), BST–SW UVLO (≤3.4V), BGVCC–BGRTN UVLO (≤3.4V), or thermal shutdown (~180°C). After fault clearance, FLT returns high after a fixed 100 µs internal delay, as specified in the Fault Flag section of the datasheet.

Is the LTC7061EMSE#PBF pin-compatible with other members of the LTC706x family, such as the LTC7060 or LTC7062?

No-the LTC7061EMSE#PBF is not pin-compatible with LTC7060 or LTC7062. While all share the same 12-lead MSOP package, pin functions differ significantly: LTC7060 uses three-state inputs and lacks DT pin; LTC7062 omits shoot-through protection and has different input logic. Pin mapping must be verified per device datasheet-no drop-in replacement is supported.

LTC7061EMSE#PBF Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc.

Series:: -

Package/Case:: 12-TSSOP (0.118", 3.00mm Width) Exposed Pad

Packaging:: Tube

Product Status:: Active

Programmable:: -

Driven Configuration:: Half-Bridge

Channel Type:: -

Number of Drivers:: -

Gate Type:: -

Voltage - Supply:: 5V ~ 14V

Logic Voltage - VIL, VIH:: -

Current - Peak Output (Source, Sink):: -

Input Type:: -

High Side Voltage - Max (Bootstrap):: -

Rise / Fall Time (Typ):: -

Operating Temperature:: -40°C ~ 150°C (TJ)

Grade:: Automotive

Qualification:: AEC-Q100

Mounting Type:: Surface Mount

Supplier Device Package:: 12-MSOP-EP

LTC7061EMSE#PBF FAQ

1.How can I place an order for LTC7061EMSE#PBF through Aetrix?

Please submit a Request for Quotation (RFQ) for LTC7061EMSE#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 LTC7061EMSE#PBF reliable?

The price and inventory of LTC7061EMSE#PBF are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LTC7061EMSE#PBF is usually 5 days.

3.What payment methods are accepted for LTC7061EMSE#PBF?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LTC7061EMSE#PBF transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for LTC7061EMSE#PBF?

LTC7061EMSE#PBF orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your LTC7061EMSE#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 LTC7061EMSE#PBF?

For technical support, including LTC7061EMSE#PBF datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LTC7061EMSE#PBF requirements.

6.How does Aetrix verify that LTC7061EMSE#PBF is sourced from the original manufacturer or authorized distributors?

All LTC7061EMSE#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 LTC7061EMSE#PBF meets industry standards.

7.What is the process for return or replacement of LTC7061EMSE#PBF?

All LTC7061EMSE#PBF units undergo pre-shipment inspection (PSI). If there is an issue with LTC7061EMSE#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 LTC7061EMSE#PBF part is unused and in its original packaging.

Return procedure for LTC7061EMSE#PBF:

1.Submit a request within 90 days.

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

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