TPS62184 17-V, 6A, Synchronous Step-Down Converter with Power Good, 1% Accuracy, Adj. Soft Start/Tracking | TI.com

TPS62184
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17-V, 6A, Synchronous Step-Down Converter with Power Good, 1% Accuracy, Adj. Soft Start/Tracking

 

Recommended alternative parts

  • TPS62135  -  Need less output current (4A) or more design flexibility? Try the TPS62135

Description

The TPS62184 is a synchronous dual-phase step-down DC-DC converter for low profile power rails. It operates with two identical, current balanced phases that are peak current controlled enabling use in height limited applications.

With a wide operating input voltage range of 4 V to 17 V, the device is ideally suited for systems powered from multi-cell Li-Ion batteries or 12-V rails. The output current of 6 A is continuously provided by two phases of 3 A each, allowing the use of low profile external components. The phases operate out of phase, reducing switching noise significantly.

The TPS62184 automatically enters Power Save Mode to maintain high efficiency down to very light loads. It also incorporates an Automatic Efficiency Enhancement (AEE™) for the entire duty cycle range.

The device features a Power Good signal, as well as an adjustable soft start. The quiescent current is typically 28 µA, it is able to run in 100% mode, and it has no duty cycle limitation even at lowest output voltage.

The TPS62184 is packaged in a small 24-bump, 0.5 mm pitch DSBGA package.

Features

  • Dual Phase Balanced Peak Current Mode
  • Input Voltage Range: 4 V to 17 V
  • Output Voltage:
    • 0.9 V ≤ VOUT ≤ 1.8 V (6A),
    • 1.8 V ≤ VOUT ≤ 2.5 V (5.5A)
    • 2.5 V ≤ VOUT ≤ 3.5 V (5A)
  • Typical Quiescent Current of 28 µA
  • Output Voltage Accuracy of ±1% (PWM Mode)
  • Automatic Efficiency Enhancement (AEE™)
  • Phase Shifted Operation
  • Automatic Power Save Mode
  • Adjustable Soft Start
  • Power Good Output
  • Undervoltage Lockout
  • HICCUP Over Current Protection
  • Over Temperature Protection
  • Pin to Pin Compatible with TPS62180/2
  • NanoFree™ 2.10 mm × 3.10 mm DSBGA Package

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WEBENCH® Designer TPS62184

  Min   Max Range
Vin  V 4.0 to 17.0V
Vout  V 0.9 to 3.5V
Iout  A ≤ 6A
Ambient Temp  °C -40 to 125°C

Parametrics

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Part number Order Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Iout (Max) (A) Regulated outputs (#) Switching frequency (Min) (kHz) Switching frequency (Max) (kHz) Iq (Typ) (mA) Features Control mode Duty cycle (Max) (%) Operating temperature range (C) Rating Package Group Type Package size: mm2:W x L (PKG)
TPS62184 Order now 4     17     0.9     3.5     6     1     1000     2000     0.028     Enable
Light Load Efficiency
Output Discharge
Power Good
Pre-Bias Start-Up
Synchronous Rectification
Tracking    
Current Mode     100     -40 to 125     Catalog     DSBGA | 24     Converter     24DSBGA: 7 mm2: 2.25 x 3.25 (DSBGA | 24)