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CS2001YDWFR20 The CS2001YDWFR20 is a smart power supply ASIC from ON Semiconductor, featuring a 1.2A switching regulator and a 5.0V, 100mA linear regulator. It is housed in a 20-SOIC package.
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CS2001YDWFR20

Available from 1 distributors
Mfr Name: On Semiconductor
On Semiconductor
The CS2001YDWFR20 is a smart power supply ASIC from ON Semiconductor, featuring a 1.2A switching regulator and a 5.0V, 100mA linear regulator. It is housed in a 20-SOIC package.
✓ Total Stock: 2,257 pcs
$ Price Range: $0.30

CS2001YDWFR20 Available from 1 distributor

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2,257 pcs
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CS2001YDWFR20 Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Frequency
Mounting Type
Number of Outputs
Operating Temperature
Supplier Device Package
Supplier Package
Topology
Voltage
w
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CS2001YDWFR20 Description

Short technical summary and product information.

The CS2001YDWFR20 is a smart power supply ASIC designed for automotive airbag systems. It integrates a current-mode switching regulator with a 1.2A on-chip switch and a 5.0V, 100mA linear regulator. This device offers a voltage tripler function, accepting VER input to produce VCHG (typically VER + 8.0V), used for driving high-side FETs.

 

The CS2001YDWFR20 operates within a temperature range of -40°C to 85°C and features a 150kHz switching frequency. It includes smart functions such as Smartswitch, RESET, and Energy Reserve Status, along with protection features like overtemperature, current limit, and 50V peak transient capability. The part is supplied in a 20-SOIC package suitable for surface mounting.

 

This ASIC is configured for automotive applications, providing essential power management and control. Its dual regulator design (switching and linear) offers flexibility in power delivery, while integrated protection mechanisms enhance system reliability. The device supports various topologies, including boost and flyback configurations for the switching regulator.

CS2001YDWFR20 Quick Information

Product Type: Voltage Regulator
Canonical Name: CS2001YDWFR20 Smart Power Supply ASIC
Subcategory: Linear + Switching Voltage Regulators

CS2001YDWFR20 Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

CS2001YDWFR20 Estimated Pricing

Qty Low High
1+ $0.30 $0.30

Estimated market price range - modelled values for guidance only, not live distributor offers.

CS2001YDWFR20 Features

  • 1.2A switching regulator with on-chip switch.
  • 5.0V, 100mA linear regulator.
  • Integrated voltage tripler function.
  • 50V peak transient voltage capability.
  • Designed for automotive airbag systems.

CS2001YDWFR20 Applications

  • Automotive airbag system power.
  • Integrated power management solutions.
  • High-side FET driver applications.
  • Systems requiring dual regulators.

CS2001YDWFR20 FAQs

7 frequently asked questions generated from this part’s specifications.
What is the package type for the CS2001YDWFR20?

20-SOIC (0.295", 7.50mm Width) surface mount package.

What is the operating temperature range?

-40°C to 85°C.

What is the switching frequency of the buck converter?

150 kHz typical.

What is the peak current rating of the internal switch?

1.2 A maximum.

What is the LDO output voltage?

5 V at 100 mA.

How many outputs does the regulator have?

2 outputs: one synchronous buck and one linear (LDO).

What is the voltage tripler output?

Typically VER + 8.0 V, where VER is the input voltage to the tripler.

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