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LM5163QDDARQ1 +BOM

Automotive 6-V to 100-V input, 0.5-A synchronous buck DC/DC converter with ultra-low IQ

Manufacturer:

TI
Mfr.Part #:

LM5163QDDARQ1
Datasheet:

LM5163QDDARQ1 Datasheet (PDF)
Vin (min) (V):

6
Vin (max) (V):

100
Vout (min) (V):

1.2
Vout (max) (V):

90
EDA/CAD Models:

Request Free CAD Models for LM5163QDDARQ1

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LM5163QDDARQ1 General Description

The LM5163-Q1 is designed to meet automotive AEC-Q100 grade 1 standards, guaranteeing its reliability for automotive applications. Packaged in an 8-pin SO PowerPAD™ package with a 1.27-mm pin pitch, this converter provides sufficient spacing for high-voltage applications, ensuring efficient and safe operation. Whether used in automotive settings or other industries requiring robust power management solutions, the LM5163-Q1 is a dependable choice for achieving optimal performance and efficiency

Key Features

AEC-Q100-qualified for automotive applications
- Device temperature grade 1: –40°C to +125°C, ambient temperature range
Designed for reliable and rugged applications
- Wide input voltage range of 6 V to 100 V
- Junction temperature range: –40°C to +150°C
- Fixed 3-ms internal soft-start timer
- Peak and valley current-limit protection
- Input UVLO and thermal shutdown protection
Suited for scalable automotive power supplies
- Low minimum on- and off-times of 50 ns
- Adjustable switching frequency up to 1 MHz
- Diode emulation for high light-load efficiency
- 10.5-µA no-load input quiescent current
- 3-µA shutdown quiescent current
- Optimized for CISPR 25 EMI standard
Integration reduces solution size and cost
- COT mode control architecture
- Integrated 0.725-Ω NFET buck switch supports wide duty cycle range
- Integrated 0.34-Ω NFET synchronous rectifier eliminates external Schottky diode
- 1.2-V internal voltage reference
- No loop compensation components
- Internal VCC bias regulator and boot diode
Create a custom design using WEBENCH^® power designer

Specifications

Vin (min) (V)	6	Vin (max) (V)	100
Vout (min) (V)	1.2	Vout (max) (V)	90
Iout (max) (A)	0.5	Iq (typ) (mA)	0.0105
Switching frequency (min) (kHz)	75	Switching frequency (max) (kHz)	1000
Features	Enable, Light Load Efficiency, Over Current Protection, Power good, Soft Start Fixed, Synchronous Rectification	Operating temperature range (°C)	-40 to 150
Rating	Automotive	TI functional safety category	Functional Safety-Capable
Regulated outputs (#)	1	Control mode	Constant on-time (COT)
Duty cycle (max) (%)	99	Type	Converter