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LM5150-Q1

LM5150-Q1 Series

Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6.8V, 7.5V, 8.5V, 10.5V output options

Manufacturer: Texas Instruments

Catalog

Automotive 1.5-V to 42-V VIN, low IQ boost controller with 6.8V, 7.5V, 8.5V, 10.5V output options

Key Features

AEC-Q100 qualified:Device temperature grade 1: –40°C to +125°C ambient operating temperature rangeDevice HBM ESD classification level 2Device CDM ESD classification level C4BFunctional Safety-CapableDocumentation available to aid functional safety system designWide VIN input range from 1.5 V to 42 V when VOUT ≥ 5 V (65-V absolute maximum)Low shutdown current (IQ≤ 5 µA)Low standby current (IQ≤ 15 µA)Four programmable output voltage options and two selectable configurations6.8 V, 7.5 V, 8.5 V, or 10.5 VStart-stop or e-call configurationsAdjustable switching frequency from 220 kHz to 2.3 MHzAutomatic wake-up and standby mode transitionOptional clock synchronizationBoost status indicator1.5-A peak MOSFET gate driverAdjustable cycle-by-cycle current limitThermal shutdown16-pin WQFN with wettable and non-wettable flank optionsCreate a custom design using the LM5150-Q1 with theWEBENCH Power DesignerAEC-Q100 qualified:Device temperature grade 1: –40°C to +125°C ambient operating temperature rangeDevice HBM ESD classification level 2Device CDM ESD classification level C4BFunctional Safety-CapableDocumentation available to aid functional safety system designWide VIN input range from 1.5 V to 42 V when VOUT ≥ 5 V (65-V absolute maximum)Low shutdown current (IQ≤ 5 µA)Low standby current (IQ≤ 15 µA)Four programmable output voltage options and two selectable configurations6.8 V, 7.5 V, 8.5 V, or 10.5 VStart-stop or e-call configurationsAdjustable switching frequency from 220 kHz to 2.3 MHzAutomatic wake-up and standby mode transitionOptional clock synchronizationBoost status indicator1.5-A peak MOSFET gate driverAdjustable cycle-by-cycle current limitThermal shutdown16-pin WQFN with wettable and non-wettable flank optionsCreate a custom design using the LM5150-Q1 with theWEBENCH Power Designer

Description

AI
The LM5150-Q1 device is a wide input range automatic boost controller. The device is suitable for use as a pre-boost converter which maintains the output voltage from a vehicle battery during automotive cranking or from a back-up battery during the loss of vehicle battery. The LM5150-Q1 switching frequency is programmed by a resistor from 220 kHz to 2.3 MHz. Fast switching (≥ 2.2 MHz) minimizes AM band interference and allows for a small solution size and fast transient response. The LM5150-Q1 operates in low IQstandby mode when the input or output voltage is above the preset standby thresholds and automatically wakes up when the output voltage drops below the preset wake-up threshold. The device transients in and out of the low IQstandby mode to extend battery life at light load. A single resistor programs the target output regulation voltage as well as the configuration. Additional features include low shutdown current, boost status indicator, adjustable cycle-by-cycle current limit, and thermal shutdown. The LM5150-Q1 device is a wide input range automatic boost controller. The device is suitable for use as a pre-boost converter which maintains the output voltage from a vehicle battery during automotive cranking or from a back-up battery during the loss of vehicle battery. The LM5150-Q1 switching frequency is programmed by a resistor from 220 kHz to 2.3 MHz. Fast switching (≥ 2.2 MHz) minimizes AM band interference and allows for a small solution size and fast transient response. The LM5150-Q1 operates in low IQstandby mode when the input or output voltage is above the preset standby thresholds and automatically wakes up when the output voltage drops below the preset wake-up threshold. The device transients in and out of the low IQstandby mode to extend battery life at light load. A single resistor programs the target output regulation voltage as well as the configuration. Additional features include low shutdown current, boost status indicator, adjustable cycle-by-cycle current limit, and thermal shutdown.