LM51561-Q1

www.ti.com LM5156-Q1, LM51561-Q1 SNVSBI7B – JANUARY 2L0M205–15R6E-VQIS1E,DLJMAN5U1A5R6Y12-Q0211 SNVSBI7B – JANUARY 2020 – REVISED JANUARY 2021 LM5156x-Q1 2.2-MHz Wide VIN 65-V Non-synchronous Boost/SEPIC/Flyback Controller with Dual Random Spread Spectrum 1 Features AEC-Q100 qualified for automotive applications – Temperature grade 1: –40°C to +125°C TA Functional Safety-Capable – Documentation available to aid functional safety system design Suited for wide input operating range car battery applications – 3.5-V to 60-V Operating range (65-V abs max) – 2.97-V to 16-V When BIAS = VCC – Minimum boost supply voltage 1.5 V when BIAS ≥ 3.5 V – Input transient protection up to 65 V – Minimized battery drain Low shutdown current (IQ ≤ 2.6 µA) Low operating current (IQ ≤ 490 µA) Small solution size and low cost – Maximum switching frequency of 2.2 MHz – 12-Pin WSON package (3 mm × 2 mm) with wettable flanks – Integrated error amplifier allows primary-side regulation without optocoupler (flyback) – Minimized undershoot during cranking (startstop application) EMI mitigation – Selectable dual random spread spectrum – Lead-less package Higher efficiency with low-power dissipation – 100-mV ±7% accurate current limit threshold – Strong 1.5-A peak standard MOSFET driver – Supports external VCC supply Avoid AM band interference and crosstalk – Optional clock synchronization – Dynamically programmable switching frequency from 100 kHz to 2.2 MHz Integrated protection fe...