TPS2066A

OBSOLETE

2-ch, 1A loading, 1.6A ILIMIT, 2.7-5.5V, 70mΩ USB power switch, active-high

TPS2066A is no longer in production
This product is no longer in production. New designs should consider an alternate product.
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Pin-for-pin with same functionality to the compared device
TPS2066C ACTIVE 2-ch, 1A loading, 4.5-5.5V, 70mΩ USB power switch, active-high, output discharge, reverse blocking This product offers same functionality, pinout with output discharge, reverse blocking and lower 1 ku price.
Similar functionality to the compared device
TPS2065 ACTIVE 1A loading, 2.7-5.5V, 70mΩ USB power switch, active-high This product offers similar functionality with single-channel 1-A loading.
TPS2066 ACTIVE 2-ch, 1A loading, 1.5A ILIMIT, 2.7-5.5V, 70mΩ USB power switch, active-high Replacement

Product details

Product type Fixed current limit, Power switch Vin (min) (V) 4.5 Vin (max) (V) 5.5 Continuous current (max) (A) 1 Current limit (A) 1.6 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 0.25 Rating Catalog
Product type Fixed current limit, Power switch Vin (min) (V) 4.5 Vin (max) (V) 5.5 Continuous current (max) (A) 1 Current limit (A) 1.6 Operating temperature range (°C) -40 to 125 Enable Active High Number of switches 2 Current limit accuracy at 1 A 0.25 Rating Catalog
SOIC (D) 8 29.4 mm² 4.9 x 6 VSON (DRB) 8 9 mm² 3 x 3
  • 70mΩ High-Side MOSFET
  • 1A Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current-Limit (1.2A min, 2A max)
  • Operating Range: 2.7V to 5.5V
  • 0.6ms Typical Rise Time
  • Undervoltage Lockout
  • Deglitched Fault Report ( OCx)
  • No OCx Glitch During Power Up
  • 1µA Maximum Standby Supply Current
  • Bidirectional Switch
  • Ambient Temperature Range: –40°C to 85°C
  • Built-in Soft-Start
  • UL Listed -- File No. E169910, Both Single and Ganged Channel Configuration
  • 70mΩ High-Side MOSFET
  • 1A Continuous Current
  • Thermal and Short-Circuit Protection
  • Accurate Current-Limit (1.2A min, 2A max)
  • Operating Range: 2.7V to 5.5V
  • 0.6ms Typical Rise Time
  • Undervoltage Lockout
  • Deglitched Fault Report ( OCx)
  • No OCx Glitch During Power Up
  • 1µA Maximum Standby Supply Current
  • Bidirectional Switch
  • Ambient Temperature Range: –40°C to 85°C
  • Built-in Soft-Start
  • UL Listed -- File No. E169910, Both Single and Ganged Channel Configuration

The TPS206xA power-distribution switches are intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. The TPS206xA family is pin-for-pin compatible with the TPS206x family with a tighter overcurrent tolerance. This family of devices incorporates two 70mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7V.

Each device limits the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present. Individual channels indicate the presence of an overcurrent condition by asserting its corresponding OCx output (active low). Thermal protection circuitry disables the device during overcurrent or short-circuit events to prevent permanent damage. The device recovers from thermal shutdown automatically once the device has cooled sufficiently. The device provides undervoltage lockout to disable the device until the input voltage rises above 2.0V. The TPS206xA is designed to current limit at 1.6A typically per channel.

The TPS206xA power-distribution switches are intended for applications where heavy capacitive loads and short-circuits are likely to be encountered. The TPS206xA family is pin-for-pin compatible with the TPS206x family with a tighter overcurrent tolerance. This family of devices incorporates two 70mΩ N-channel MOSFET power switches for power-distribution systems that require multiple power switches in a single package. Each switch is controlled by a logic enable input. Gate drive is provided by an internal charge pump designed to control the power-switch rise and fall times to minimize current surges during switching. The charge pump requires no external components and allows operation from supplies as low as 2.7V.

Each device limits the output current to a safe level by switching into a constant-current mode when the output load exceeds the current-limit threshold or a short is present. Individual channels indicate the presence of an overcurrent condition by asserting its corresponding OCx output (active low). Thermal protection circuitry disables the device during overcurrent or short-circuit events to prevent permanent damage. The device recovers from thermal shutdown automatically once the device has cooled sufficiently. The device provides undervoltage lockout to disable the device until the input voltage rises above 2.0V. The TPS206xA is designed to current limit at 1.6A typically per channel.

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Technical documentation

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* Data sheet TPS206xA Two Channel, Current-Limited, Power-Distribution Switches datasheet (Rev. G) PDF | HTML 26 Jun 2024

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