MAX16920BATJ/V+ by Analog Devices

Automotive Power-Management IC with Three Step-Down Converters and Linear Regulator


The MAX16920 power-management IC integrates three high-voltage step-down DC-DC converters, one high-voltage linear regulator, and an overvoltage protection block. The three step-down converters deliver up to 150mA, 600mA, and 1.5A, while the linear regulator is capable of up to 150mA. The MAX16920 is designed to operate with input voltages between 5.5V to 28V and survive voltage transients to 45V, making it ideal for automotive applications. The MAX16920 is optimized for high efficiency and low standby current. The MAX16920A features 400kHz switching frequency, while the MAX16920B features 2MHz switching frequency. The MAX16920 can be ordered with spread-spectrum frequency modulation. The DC-DC converters can also be synchronized to an external frequency reference using the SYNC input minimize EMI. The MAX16920 includes power-good outputs (PG_) for DC-DC2, DC-DC3, LDOA, and a power-on reset (active-low POR) for DC-DC1. All regulators other than DC-DC1 have an enable input (EN_). DC-DC1 always operates when power is applied to the MAX16920. The MAX16920 operates over the -40°C to +125°C temperature range, and is available in a compact, thermally enhanced 32-pin TQFN package (7mm x 7mm).

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Prices starting from US$6.84

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Features

5.5V to 28V Wide Operating Voltage Range
Tolerates Input Voltage Transients Up to 45V
Three High-Voltage Buck Converters with High Efficiency
DC-DC1: 150mA (max), Always-On, Ultra-Low Quiescent Current (25µA) 3.3V Fixed or Adjustable from 1.22V to 5V
3.3V Fixed or Adjustable from 1.22V to 5V
DC-DC2: 600mA (max), 5.0V Fixed or Adjustable Output Voltage from 1.22V to 5V
DC-DC3: 1.5A (max), 3.3V Fixed or Adjustable from 1.22V to 8.0V
One High-Voltage 5V Linear Regulator (150mA)
pMOS Driver Output with Fixed Overvoltage Shutdown
400kHz (MAX16920A) or 2.2MHz (MAX16920B) Switching Frequency
Frequency Synchronization Input
Open-Drain Power-Good Outputs for DC-DC2, DC-DC3, LDOA, and Power-On Reset for DC-DC1
Enable Inputs for DC-DC2, DC-DC3, and LDO
Internal Soft-Start
±2% Undervoltage Comparator
Overtemperature Shutdown
-40°C to +125°C Operating Temperature Range
Compact 32-Pin TQFN Package (7mm x 7mm)

Specifications

VIN (V) (min) 4
VIN (V) (max) 28
VOUT1 (V) (min) 1.22
VOUT1 (V) (max) 8
IOUT1 (A) (max) 1.5
Switch Type Internal
Preset VOUT (V) 5
Output Adjust. Method PresetResistor
Synchronous Switching? Yes
# DC-DC Outputs 3
Switching Frequency (kHz) 4002200
Package/Pins TQFN/32
BudgetaryPrice (See Notes) 6.38


MAX16920BATJ/V+ Semiconductors - ICs by Analog Devices

PWR MANAGEMENT IC AEC-Q100 28V TQFN32

Status: Unknown
Series: -
RoHS: Unknown
Download Datasheet Visit Manufacturer Site View Pricing & Stock

Specifications

Supply Voltage 28V
No. of Step-Down DC - DC Converters 3
No. of LDO Regulators 1
No. of Regulated Outputs 4
Digital IC Case TQFN
No. of Pins 32Pins
Operating Temperature Min -40°C
Operating Temperature Max 125°C
Product Range -
Automotive Qualification Standard AEC-Q100
MSL MSL 1 - Unlimited
SVHC No SVHC (15-Jan-2018)

Alternative Descriptions

Automotive Power-Management IC | Analog Devices
Pwr Management Ic, Aec-Q100, 28V, Tqfn32 | Newark Electronics
PWR MANAGEMENT IC, AEC-Q100, 28V, TQFN32 | element14

Frequently Asked Questions

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Is the MAX16920BATJ/V+ RoHS compliant?

This part has not been flagged as RoHS Compliant.

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Authorised distributors including Analog Devices, Newark Electronics, element14 and Farnell have stock available or on a lead time for MAX16920BATJ/V+ .

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