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Allegro MicroSystems Inc. Automotive Buck-Boost Pmic W/2 Ldo Outputs A4409KLPTR-T

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Automotive Buck-Boost Pmic W/2 Ldo Outputs - A4409KLPTR-T - Allegro MicroSystems Inc.
Manchester, NH, United States
Automotive Buck-Boost Pmic W/2 Ldo Outputs
A4409KLPTR-T
Automotive Buck-Boost Pmic W/2 Ldo Outputs A4409KLPTR-T
The A4409 is a power management IC that uses a buck or buck-boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage, complete with control, diagnostics, and protections. The output of the pre-regulator supplies a 5V, 300mAMIN LDO and a 5V, 200mAMIN LDO. Designed to supply CAN or microprocessor power supplies in high-temperature environments, the A4409 is ideal for underhood applications. Enable-input to the A4409 is compatible to a high-voltage battery level (ENBAT). Diagnostic outputs from the A4409 include a power-on-reset output (NPOR) with a fixed 22.5ms typical delay. Dual bandgaps, one for regulation and one for fault checking, improve long-term reliability of a system designed around the A4409. The A4409 contains a window watchdog timer that can be programmed to accept a wide range of clock frequencies (WDADJ). The watchdog timer has a fixed 30 ms activation delay to accommodate processor startup. The watchdog timer has an enable/disable pin (active low, WDENn) to facilitate initial factory programming or field reflash programming. Protection features include dual control loop for pre-regulator rail. In case of a shorted output, all linear regulators feature foldback overcurrent protection. The switching regulator includes pulse-by-pulse current limit, hiccup mode short-circuit protection, LX short-circuit protection, missing asynchronous diode protection, and thermal shutdown. The A4409 is supplied in a low profile (1.2 mm maximum height), 20-lead eTSSOP package (suffix “LP”) with exposed thermal pad.

The A4409 is a power management IC that uses a buck or buck-boost pre-regulator to efficiently convert automotive battery voltages into a tightly regulated intermediate voltage, complete with control, diagnostics, and protections. The output of the pre-regulator supplies a 5V, 300mAMIN LDO and a 5V, 200mAMIN LDO. Designed to supply CAN or microprocessor power supplies in high-temperature environments, the A4409 is ideal for underhood applications.

Enable-input to the A4409 is compatible to a high-voltage battery level (ENBAT).

Diagnostic outputs from the A4409 include a power-on-reset output (NPOR) with a fixed 22.5ms typical delay. Dual bandgaps, one for regulation and one for fault checking, improve long-term reliability of a system designed around the A4409.

The A4409 contains a window watchdog timer that can be programmed to accept a wide range of clock frequencies (WDADJ). The watchdog timer has a fixed 30 ms activation delay to accommodate processor startup. The watchdog timer has an enable/disable pin (active low, WDENn) to facilitate initial factory programming or field reflash programming.

Protection features include dual control loop for pre-regulator rail. In case of a shorted output, all linear regulators feature foldback overcurrent protection. The switching regulator includes pulse-by-pulse current limit, hiccup mode short-circuit protection, LX short-circuit protection, missing asynchronous diode protection, and thermal shutdown.

The A4409 is supplied in a low profile (1.2 mm maximum height), 20-lead eTSSOP package (suffix “LP”) with exposed thermal pad.

Supplier's Site Datasheet
PMIC - PMIC - Voltage Regulators - Linear + Switching - A4409KLPTR-T - 1134690-A4409KLPTR-T - Win Source Electronics
Yishun, Singapore
PMIC - PMIC - Voltage Regulators - Linear + Switching - A4409KLPTR-T
1134690-A4409KLPTR-T
PMIC - PMIC - Voltage Regulators - Linear + Switching - A4409KLPTR-T 1134690-A4409KLPTR-T
Manufacturer: Allegro MicroSystems, LLC Win Source Part Number: 1134690-A4409KLPTR-T Series: Automotive, AEC-Q100 Packaging: Reel - TR Operating Temperature Range: -40°C ~ 135°C Package: 20-TSSOP (0.173", 4.40mm Width) Exposed Pad Mounting: SMD Operating Supply Voltage: 3 V ~ 36 V Function: Automotive Topology: Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) Frequency - Switching: 400kHz ~ 2.4MHz Number of Outputs: 3 Voltage/Current - Output 1: 0.8 V ~ 3.3 V, 800mA Voltage/Current - Output 2: 6V/6.6V, 1A Voltage/Current - Output 3: 5V, 150mA w/LED Driver: No w/Supervisor: No w/Sequencer: Yes Family Name: A4409KLPTR-T Categories: Integrated Circuits (ICs) Manufacturer Homepage: www.allegromicro.com Manufacturer Package: 20-TSSOP-EP Introduction Date: November 17, 2015 Country of Origin: Thailand Estimated EOL Date: 2024 Popularity: Medium Fake Threat In the Open Market: 52 pct. Supply and Demand Status: Limited

Manufacturer: Allegro MicroSystems, LLC
Win Source Part Number: 1134690-A4409KLPTR-T
Series: Automotive, AEC-Q100
Packaging: Reel - TR
Operating Temperature Range: -40°C ~ 135°C
Package: 20-TSSOP (0.173", 4.40mm Width) Exposed Pad
Mounting: SMD
Operating Supply Voltage: 3 V ~ 36 V
Function: Automotive
Topology: Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2)
Frequency - Switching: 400kHz ~ 2.4MHz
Number of Outputs: 3
Voltage/Current - Output 1: 0.8 V ~ 3.3 V, 800mA
Voltage/Current - Output 2: 6V/6.6V, 1A
Voltage/Current - Output 3: 5V, 150mA
w/LED Driver: No
w/Supervisor: No
w/Sequencer: Yes
Family Name: A4409KLPTR-T
Categories: Integrated Circuits (ICs)
Manufacturer Homepage: www.allegromicro.com
Manufacturer Package: 20-TSSOP-EP
Introduction Date: November 17, 2015
Country of Origin: Thailand
Estimated EOL Date: 2024
Popularity: Medium
Fake Threat In the Open Market: 52 pct.
Supply and Demand Status: Limited

Supplier's Site Datasheet
Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear + Switching - A4409KLPTR-T - Shenzhen Shengyu Electronics Technology Limited
Futian, China
Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear + Switching
A4409KLPTR-T
Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear + Switching A4409KLPTR-T
IC REG TRPL BUCK/BST/LNR 20TSSOP

IC REG TRPL BUCK/BST/LNR 20TSSOP

Supplier's Site
Voltage Regulators - Linear + Switching - 620-1764-1-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - Linear + Switching
620-1764-1-ND
Voltage Regulators - Linear + Switching 620-1764-1-ND
PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

Supplier's Site Datasheet
Voltage Regulators - Linear + Switching - 620-1764-2-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - Linear + Switching
620-1764-2-ND
Voltage Regulators - Linear + Switching 620-1764-2-ND
PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

Supplier's Site Datasheet
Voltage Regulators - Linear + Switching - 620-1764-6-ND - DigiKey
Thief River Falls, MN, United States
Voltage Regulators - Linear + Switching
620-1764-6-ND
Voltage Regulators - Linear + Switching 620-1764-6-ND
PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

PMIC - Voltage Regulators - Linear + Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

Supplier's Site Datasheet
IC REG TRPL BUCK/LINEAR 20ETSSOP - 26-A4409KLPTR-T - Utmel Electronic Limited
Hong Kong, China
IC REG TRPL BUCK/LINEAR 20ETSSOP
26-A4409KLPTR-T
IC REG TRPL BUCK/LINEAR 20ETSSOP 26-A4409KLPTR-T
IC REG TRPL BUCK/LINEAR 20ETSSOP

IC REG TRPL BUCK/LINEAR 20ETSSOP

Supplier's Site
Voltage Regulators - Linear + Switching - A4409KLPTR-T - Quarktwin Technology Ltd.
Shenzhen, Guangdong, China
Voltage Regulators - Linear + Switching
A4409KLPTR-T
Voltage Regulators - Linear + Switching A4409KLPTR-T
PMIC - Voltage Regulators - Linear Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

PMIC - Voltage Regulators - Linear Switching 3 Output Step-Down (Buck) (1) or Step-Down/Step-Up (Buck/Boost) (1), Linear (LDO) (2) 400kHz ~ 2.4MHz 20-TSSOP-EP

Supplier's Site Datasheet
PMIC - Voltage Regulators - Linear + Switching - A4409KLPTR-T - Lingto Electronic Limited
Shenzhen, China
PMIC - Voltage Regulators - Linear + Switching
A4409KLPTR-T
PMIC - Voltage Regulators - Linear + Switching A4409KLPTR-T
IC REG TRPL BUCK/BST/LNR 20TSSOP

IC REG TRPL BUCK/BST/LNR 20TSSOP

Supplier's Site Datasheet

Technical Specifications

  Allegro MicroSystems Inc. Win Source Electronics Shenzhen Shengyu Electronics Technology Limited DigiKey Utmel Electronic Limited Quarktwin Technology Ltd. Lingto Electronic Limited
Product Category IC Linear Voltage Regulators IC Linear Voltage Regulators IC Switching Voltage Regulators IC Linear Voltage Regulators IC Linear Voltage Regulators IC Linear Voltage Regulators IC Linear Voltage Regulators
Product Number A4409KLPTR-T 1134690-A4409KLPTR-T A4409KLPTR-T 620-1764-1-ND 26-A4409KLPTR-T A4409KLPTR-T A4409KLPTR-T
Product Name Automotive Buck-Boost Pmic W/2 Ldo Outputs PMIC - PMIC - Voltage Regulators - Linear + Switching - A4409KLPTR-T Integrated Circuits (ICs) - Power Management (PMIC) - Voltage Regulators - Linear + Switching Voltage Regulators - Linear + Switching IC REG TRPL BUCK/LINEAR 20ETSSOP Voltage Regulators - Linear + Switching PMIC - Voltage Regulators - Linear + Switching
Regulator Type Low Dropout Standard; Low Dropout
Package Type Other; 20-Pin eTSSOP SSOP; Other; 20-TSSOP (0.173", 4.40mm Width) Exposed Pad SSOP Other; 20-TSSOP (0.173", 4.40mm Width) Exposed Pad SSOP; Other; 20-TSSOP (0.173, 4.40mm Width) Exposed Pad SSOP; Other; 20-TSSOP (0.173\", 4.40mm Width) Exposed Pad
Special Features Multiple Outputs
Operating Temperature -40 to 135 C (-40 to 275 F) -40 to 135 C (-40 to 275 F) -40 to 135 C (-40 to 275 F) -40 to 135 C (-40 to 275 F) -40 to 135 C (-40 to 275 F) -40 to 135 C (-40 to 275 F)
Life Cycle Stage Active Active Active Active
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