Analog Devices Inc

LTC®7060 100 V Half-Bridge Driver

Analog Devices’ LTC7060 is a 100 V half-bridge driver with floating grounds and adjustable dead-time

Image of ADI's LTC7060 100 V Half-Bridge DriverADI's LTC7060 drives two N-Channel MOSFETs in a half-bridge configuration with supply voltages up to 100 V. Both high-side and low-side drivers can drive the MOSFETs with a different ground reference, providing excellent noise and transient immunity.

Its powerful 0.8 Ω pull-down and 1.5 Ω pull-up MOSFET drivers allow the use of large gate capacitance high voltage MOSFETs. Additional features include undervoltage lockout (UVLO), three-state pulse width modulation (PWM) input, adjustable turn-on/-off delays, and shoot-through protection.

The demonstration circuit DC2886A is a high-power, high-efficiency, six-phase bidirectional converter featuring the LTC7871 and LTC7060. The terminals labeled VHIGH and VLOW are either inputs or outputs, depending on the direction of power flow. When the switch at SW1 is in the BUCK position, VLOW provides a 14 V output and VHIGH is the input with a range of 30 V to 70 V. When the switch is in the BOOST position, VHIGH provides a 48 V output and VLOW is the input with a range of 10 V to 14 V. The maximum VLOW current is 180 A in both directions. The maximum output power is 2.5 kW when operating as a buck within the input voltage range. When operating as a boost, the maximum output power is 2.4 kW when the input voltage is 14 V. External airflow is required when operating at maximum power. The MOSFETs in each phase are driven by the LTC7060 half-bridge driver. Each LTC7060 gate driver is placed next to the MOSFETs and receives a PWM signal from the LTC7871.

Features
  • Unique symmetric floating gate driver architecture
  • High noise immunity, tolerates ±10 V ground difference between input and output grounds
  • 100 V maximum input voltage independent of IC supply voltage VCC
  • 6 V to 14 V VCC operating voltage
  • 4 V to 14 V gate driver voltage
  • 0.8 Ω pull-down, 1.5 Ω pull-up for fast turn-on/off
  • Adaptive shoot-through protection
  • Programmable dead-time
  • Three-state PWM input with enable pin
  • VCC UVLO/overvoltage lockout (OVLO) and floating supplies UVLO
  • Drives dual N-Channel MOSFETs
  • Open-drain fault indicator
  • Available in thermally enhanced 12-lead MSOP
  • AEC-Q100 qualified for automotive applications
Applications
  • Automotive and industrial power systems
  • Telecommunication power systems
  • Half-bridge and full-bridge converters

LTC7060 100 V Half-Bridge Driver

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
IC GATE DRVR HALF-BRIDGE 12MSOPLTC7060HMSE#PBFIC GATE DRVR HALF-BRIDGE 12MSOP190 - Immediate$45.90View Details
IC GATE DRVR HALF-BRIDGE 12MSOPLTC7060EMSE#PBFIC GATE DRVR HALF-BRIDGE 12MSOP261 - Immediate$36.79View Details
IC GATE DRVR HALF-BRIDGE 12MSOPLTC7060IMSE#PBFIC GATE DRVR HALF-BRIDGE 12MSOP376 - Immediate$39.33View Details
IC GATE DRVR HALF-BRIDGE 12MSOPLTC7060JMSE#PBFIC GATE DRVR HALF-BRIDGE 12MSOP28 - Immediate$39.99View Details
IC GATE DRVR HALF-BRIDGE 12MSOPLTC7060EMSE#WPBFIC GATE DRVR HALF-BRIDGE 12MSOP12 - Immediate$41.38View Details
IC GATE DRVR HALF-BRIDGE 12MSOPLTC7060IMSE#WPBFIC GATE DRVR HALF-BRIDGE 12MSOP102 - Immediate$44.50View Details

Evaluation Board

ImageManufacturer Part NumberDescriptionAvailable QuantityPriceView Details
EVAL BOARD FOR LTC7060 LTC7871DC2886AEVAL BOARD FOR LTC7060 LTC78711 - Immediate$4,188.35View Details
Published: 2022-11-09