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TI LM51501QRUMRQ1RoHS

Manufacturer
TI
MPN
LM51501QRUMRQ1
LCSC Part #
C2072556
Packaging
WQFN-16-EP(4x4)
Customer #
Key Attributes
Automotive-grade low-IQ boost controller with wide input voltage
Datasheetpdf iconTI LM51501QRUMRQ1
In-Stock: 10
10 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 2.9833$ 2.98
10+$ 2.9182$ 29.18
30+$ 2.8743$ 86.23
100+$ 2.8287$ 282.87
Standard Packaging2000/Full Reel
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Power Management (PMIC)/DC DC Switching Controllers
ManufacturerTI
PackagingWQFN-16-EP(4x4)
Operating Temperature-40℃~+150℃@(TJ)
Synchronous RectifierNo
FeaturesAdjustable current limiting;Cycle-by-cycle current limiting;Frequency synchronization;Operating status indication
Output Current-
Number of Channels1
TopologyBoost
Frequency - Switching2.3MHz
Operating Voltage1.5V~42V
Output Voltage5V~42V
FunctionBoost
Quiescent Current5uA
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging2000
Sales UnitPiece

Introduction

AI Translation

The LM51501-Q1 is an automatic boost controller with a wide input voltage range. The device can be used to maintain a stable output voltage from the vehicle battery or a backup battery during automotive cold-crank events. The LM51501-Q1 switching frequency can be programmed via a single resistor over the range of 220kHz to 2.3MHz. High switching frequencies (≥2.2MHz) minimize AM band interference while enabling small solution size and fast transient response. The LM51501-Q1 operates in low-IQ standby mode when the input or output voltage exceeds a preset standby threshold, and automatically wakes up when the output voltage falls below a preset wake-up threshold. The device can enter and exit low-IQ standby mode to extend battery life under light loads. A single resistor programs the target output regulation voltage and configuration. Additional features include low shutdown current, boost status indicator, adjustable cycle-by-cycle current limit, and thermal shutdown. When the device is not performing boost operation, the status indicator can be used to control circuitry to bypass a diode, reducing power dissipation. In emergency call mode, the device can be used to control a disconnect switch to protect the backup battery.

Features

AI Translation
  • AEC-Q100 compliant
  • Device temperature grade 1: -40°C to +125°C ambient operating temperature range
  • Device HBM ESD classification level 2
  • Device CDM ESD classification level C4B
  • Functional Safety enabled
  • Documentation available to aid functional safety system design
  • Wide 1.5V to 42V input voltage range when output voltage ≥5V (absolute maximum 65V)
  • Low shutdown current (lQ ≤ 5μA)
  • Low standby current (IQ ≤ 15μA)
  • Four programmable output voltage options with two selectable configurations
    • 6.0V, 6.5V, 9.5V, or 11.5V
    • Start-stop or emergency call configuration
  • Adjustable switching frequency range: 220kHz to 2.3MHz
  • Automatic wake-up and standby mode transition
  • Optional clock synchronization
  • Boost status indicator
  • 1.5A peak MOSFET gate driver
  • Adjustable cycle-by-cycle current limit
  • Thermal shutdown protection
  • 16-pin WQFN with wettable flank and non-wettable flank options
  • Create custom designs using LM51501-Q1 with WEBENCH Power Designer

Applications

AI Translation
  • Automotive start-stop systems
  • Automotive emergency call systems
  • Battery-powered boost converters