TPSM53604 36-V, 4-A step-down power module in small 5.5 x 5 x 4mm RLF QFN package with simple footprint | TI.com

TPSM53604
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36-V, 4-A step-down power module in small 5.5 x 5 x 4mm RLF QFN package with simple footprint

 

Description

The TPSM53604 power module is a highly integrated 4-A power solution that combines a 36-V input, step-down, DC/DC converter with power MOSFETs, a shielded inductor, and passives in a thermally-enhanced QFN package. The 5 mm x 5.5 mm x 4 mm, 15-pin QFN package uses routable lead-frame technology for enhanced thermal performance, small footprint, and low EMI. The package footprint has all pins accessible from the perimeter and a single large thermal pad for simple layout and easy handling in manufacturing.

The total solution requires as few as four external components and eliminates the loop compensation and magnetics part selection from the design process. The full feature set includes power good, programmable UVLO, prebias start-up, overcurrent, and overtemperature protections, making the TPSM53604 an excellent device for powering a wide range of applications.

Features

  • 5 mm × 5.5 mm × 4 mm routable lead-frame (RLF) QFN package
    • Industry’s smallest 36-V, 4-A footprint:
      85 mm2 solution size (single sided)
    • Low EMI: Meets CISPR11 radiated emissions
    • Excellent thermal performance:
      Up to 20 W output power at 85ºC, no airflow
    • Standard footprint: single large thermal pad and all pins accessible from perimeter
  • 3.8 V to 36 V input voltage range
  • Output voltage range: 1 V to 7 V
  • Efficiency up to 95%
  • Power-good flag
  • Precision enable
  • Built-in hiccup-mode short-circuit protection, over-temperature protection, start-up into pre-bias output, soft start, and UVLO
  • Operating IC junction range: –40°C to +125°C
  • Operating ambient range: –40°C to +105°C
  • Shock and vibration tested to Mil-STD-883D
  • Pin compatible with: 3-A TPSM53603
    and 2-A TPSM53602
  • Create a custom design using the TPSM53604 with the WEBENCH® Power Designer

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New!
WEBENCH® Power Designer is now even easier to use. Try it now.

WEBENCH® Designer TPSM53604

  Min   Max Range
Vin  V 3.8 to 36.0V
Vout  V 1 to 7V
Iout  A ≤ 4A
Ambient Temp  °C -40 to 105°C

Parametrics

Compare all products in Buck modules (integrated inductor) Email Download to Excel
Part number Order Iout (Max) (A) Vin (Min) (V) Vin (Max) (V) Vout (Min) (V) Vout (Max) (V) Soft start Features Iq (Typ) (mA) Regulated outputs (#) Package size: mm2:W x L (PKG) Switching frequency (Typ) (kHz) Topology Operating temperature range (C) Duty cycle (Max) (%) Package Group Type
TPSM53604 Order now 4     3.8     36     1     7     Fixed     EMI Tested
Enable
Light Load Efficiency
Power Good    
0.024     1     15B3QFN: 28 mm2: 5 x 5.5 (B3QFN | 15)     1400     Buck
Inverting Buck-Boost
Synchronous Buck    
-40 to 125     98     B3QFN | 15     Module    
TPSM53602 Order now 2     3.8     36     1     7     Fixed     EMI Tested
Enable
Light Load Efficiency
Power Good    
0.024     1     15B3QFN: 28 mm2: 5 x 5.5 (B3QFN | 15)     1400     Buck
Inverting Buck-Boost
Synchronous Buck    
-40 to 125     98     B3QFN | 15     Module    
TPSM53603 Order now 3     3.8     36     1     7     Fixed     EMI Tested
Enable
Light Load Efficiency
Power Good    
0.024     1     15B3QFN: 28 mm2: 5 x 5.5 (B3QFN | 15)     1400     Buck
Inverting Buck-Boost
Synchronous Buck    
-40 to 125     98     B3QFN | 15     Module    
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