• AEC-Q100 qualified for automotive applications
– Temperature grade 1: –40°C to +125°C, TA
• Functional Safety-Capable
– Documentation available to aid functionalsafetysystem design
• Suited for various architectures and scalable
– Triple-output synchronous controllers
– Flexible topology
• CH1: boost / buck topology
• CH2, CH3: two single phase bucks / dualphaseinterleaved buck topology
– Enable pin and PGOOD indicator per channel
– Optional low IQ battery monitor
• Wide operating range for automotiveapplications
– 3.8-V to 42-V input operating range
– Minimum boost input 0.8 V when BIAS ≥ 3.8 V
– Boost output: adjustable up to 42 V
– Buck output: fixed 3.3 V, 5 V, or adj. 0.8 -42 V
– Bypass operation when VSUPPLY>VLOAD (boost)
– LDO operation when VSUPPLY ≈ VLOAD (buck)
• Minimized battery drain
– Shutdown current ≤ 2.8 μA
– Automatic transition to low-IQ sleep mode
– Battery drain in sleep
• IQ≤ 14 μA when 3.3-V buck on
• IQ≤ 22 μA when 3.3-V and 5-V bucks on
• IQ≤ 32 μA when 3.3-V, 5-V bucks on andboost in bypass
– High efficiency using strong 5-V drivers
– Dual input VCC and VDD regulators
• Small and cost-effective solution
– Maximum switching frequency 2.2 MHz
– Internal boot diode (boost)
– Constant peak current limit
– Supports DCR inductor current sensing
– QFN-48 with wettable flanks
• Avoid AM band interference and crosstalk
– Optional clock synchronization
– Switching frequency from 100 kHz to 2.2 MHz
– Selectable switching mode (FPWM, diodeemulation, and skip mode)
• EMI mitigation
– Optional programmable spread spectrum
• Programmability and flexibility
– Programmable wake-up and sleep threshold
– Dynamic switching frequency programming
– Adjustable soft start time
– Adjustable output using 0.8 V ±1% reference
– Adaptive dead-time control
• Integrated protection features
– Overcurrent protection
• Cycle-by-cycle peak current limit
• Optional hiccup mode protection (buck)
• Optional latch-off mode protection (buck)
– Overvoltage protection
– HB-SW short protection (boost)
– Thermal shutdown
