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Power Circuits / Power Management Circuits / BQ24171RGYR
Datasheets
BQ24171RGYR by: Texas Instruments

Standalone 1-3 cell 4A synchronous Buck battery charger with JEITA compliance and Power Path 24-VQFN -40 to 85

Part Details for BQ24171RGYR by Texas Instruments

Results Overview of BQ24171RGYR by Texas Instruments

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BQ24171RGYR Information

BQ24171RGYR by Texas Instruments is a Power Management Circuit.
Power Management Circuits are under the broader part category of Power Circuits.

A power circuit delivers electricity in order to operate a load for an electronic device. Power circuits include transformers, generators and switches. Read more about Power Circuits on our Power Circuits part category page.

Available Datasheets

Part # Manufacturer Description Datasheet
BQ24171RGYR Texas Instruments JEITA Compliant Stand-Alone Switch-Mode Li-Ion and Li-Polymer Battery Charger 24-VQFN -40 to 85

Price & Stock for BQ24171RGYR

Part # Distributor Description Stock Price Buy
CHIPMALL.COM LIMITED VQFN-24-EP3.6x5.6 Battery Management ROHS 142
  • 1 $2.0309
  • 10 $1.6750
  • 30 $1.4625
  • 100 $1.1384
  • 500 $1.0404
  • 1,000 $0.9966
$0.9966 / $2.0309 Buy Now
LCSC VQFN-24-EP(3.6x5.6) Battery Management ROHS 228
  • 1 $2.1155
  • 10 $1.7448
  • 30 $1.5234
  • 100 $1.1858
  • 500 $1.0837
  • 1,000 $1.0381
$1.0381 / $2.1155 Buy Now
Win Source Electronics IC BATT CHARGE LI-ION/POL 24VQFN 30002
  • 40 $1.3550
  • 90 $1.1120
  • 140 $1.0770
  • 195 $1.0420
  • 250 $1.0070
  • 335 $0.9030
$0.9030 / $1.3550 Buy Now

Part Details for BQ24171RGYR

BQ24171RGYR CAD Models

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BQ24171RGYR Part Data Attributes

Parametric Data
BQ24171RGYR Texas Instruments
Buy Now Datasheet
Compare Parts:
BQ24171RGYR Texas Instruments Standalone 1-3 cell 4A synchronous Buck battery charger with JEITA compliance and Power Path 24-VQFN -40 to 85
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code QFN
Package Description 5.50 X 3.50 MM, GREEN, PLASTIC, MO-241BA, VQFN-24
Pin Count 24
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Adjustable Threshold YES
Analog IC - Other Type POWER SUPPLY SUPPORT CIRCUIT
Control Technique PULSE WIDTH MODULATION
Input Voltage-Max 17 V
Input Voltage-Min 4.5 V
JESD-30 Code R-PQCC-N24
JESD-609 Code e4
Length 5.5 mm
Moisture Sensitivity Level 2
Number of Channels 1
Number of Functions 1
Number of Terminals 24
Operating Temperature-Max 85 °C
Operating Temperature-Min -40 °C
Output Current-Max 4 A
Package Body Material PLASTIC/EPOXY
Package Code HQCCN
Package Shape RECTANGULAR
Package Style CHIP CARRIER, HEAT SINK/SLUG
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified
Seated Height-Max 1 mm
Supply Current-Max (Isup) 5 mA
Supply Voltage-Max (Vsup) 17 V
Supply Voltage-Min (Vsup) 4.5 V
Surface Mount YES
Switcher Configuration BUCK
Switching Frequency-Max 1840 kHz
Temperature Grade INDUSTRIAL
Terminal Finish NICKEL PALLADIUM GOLD
Terminal Form NO LEAD
Terminal Pitch 0.5 mm
Terminal Position QUAD
Threshold Voltage-Nom +3.6V
Time@Peak Reflow Temperature-Max (s) 30
Width 3.5 mm

Alternate Parts for BQ24171RGYR

This table gives cross-reference parts and alternative options found for BQ24171RGYR. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of BQ24171RGYR, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
BQ24171RGYT Texas Instruments $2.7739 Standalone 1-3 cell 4A synchronous Buck battery charger with JEITA compliance and Power Path 24-VQFN -40 to 85 BQ24171RGYR vs BQ24171RGYT

BQ24171RGYR Related Parts

BQ24171RGYR Frequently Asked Questions (FAQ)

  • A good PCB layout for the BQ24171RGYR involves keeping the input and output capacitors close to the device, using a solid ground plane, and minimizing the length of the traces between the device and the capacitors. TI provides a recommended layout in the datasheet and application notes.

  • The selection of input and output capacitors depends on the specific application requirements. Generally, X5R or X7R ceramic capacitors with a voltage rating of 10V or higher are recommended. The capacitance value should be at least 4.7uF for the input capacitor and 10uF for the output capacitor.

  • The BQ24171RGYR can handle input voltages up to 18V, but it's recommended to keep the input voltage below 15V to ensure reliable operation and to prevent overheating.

  • The output voltage of the BQ24171RGYR can be configured by adjusting the resistor divider network connected to the FB pin. The datasheet provides a formula to calculate the required resistor values for a specific output voltage.

  • The thermal derating curve for the BQ24171RGYR is provided in the datasheet. It shows the maximum allowed power dissipation at different ambient temperatures. Engineers should ensure that the device operates within the specified thermal limits to prevent overheating.

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