Buck, Boost, Buck-Boost Regulator Positive Output Step-Up, Step-Down, Step-Up/Step-Down I2C DC-DC Controller IC 48-HTQFP (7x7)
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LM5171PHPR

DigiKey Part Number
296-LM5171PHPRTR-ND - Tape & Reel (TR)
296-LM5171PHPRCT-ND - Cut Tape (CT)
296-LM5171PHPRDKR-ND - Digi-Reel®
Manufacturer
Manufacturer Product Number
LM5171PHPR
Description
80-V DUAL-CHANNEL BIDIRECTIONAL
Manufacturer Standard Lead Time
12 Weeks
Customer Reference
Detailed Description
Buck, Boost, Buck-Boost Regulator Positive Output Step-Up, Step-Down, Step-Up/Step-Down I2C DC-DC Controller IC 48-HTQFP (7x7)
Datasheet
 Datasheet
EDA/CAD Models
LM5171PHPR Models
Product Attributes
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Category
Voltage - Supply (Vcc/Vdd)
3V ~ 80V
Manufacturer
Texas Instruments
Frequency - Switching
50kHz ~ 1MHz
Packaging
Tape & Reel (TR)
Cut Tape (CT)
Digi-Reel®
Synchronous Rectifier
Yes
Part Status
Active
Clock Sync
Yes
Output Type
Transistor Driver
Serial Interfaces
I2C
Function
Step-Up, Step-Down, Step-Up/Step-Down
Control Features
Current Limit, Dead Time Control, Enable, Frequency Control, Phase Control, Ramp, Soft Start
Output Configuration
Positive
Operating Temperature
-40°C ~ 150°C (TJ)
Topology
Buck, Boost, Buck-Boost
Mounting Type
Surface Mount
Number of Outputs
2
Package / Case
48-PowerTQFP
Output Phases
3
Supplier Device Package
48-HTQFP (7x7)
Environmental & Export Classifications
Product Questions and Answers
Additional Resources
In-Stock: 0
1,000 estimated in stock on 18-Dec-2026
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All prices are in USD
Cut Tape (CT) & Digi-Reel®
QuantityUnit PriceExt Price
1$6.89000$6.89
10$5.30900$53.09
25$4.91360$122.84
100$4.47900$447.90
250$4.27168$1,067.92
500$4.14674$2,073.37
* All Digi-Reel orders will add a $7.00 reeling fee.
Tape & Reel (TR)
QuantityUnit PriceExt Price
1,000$4.04391$4,043.91
2,000$3.95926$7,918.52