Texas Instruments (TI) LMR16020PDDAR – genuine parts in stock, featuring a wide input range of 4.3V–60V, 2A continuous output, ultra-low quiescent current of 40µA, and an SOIC-8-EP (HSOIC) package. Suitable for automotive battery regulation, industrial power supplies, telecommunications and battery-powered systems. Mingjiada supports BOM order fulfilment, as well as sample and bulk procurement.
I. LMR16020 Key Specifications at a Glance
Input voltage range: 4.3V – 60V
Continuous output current: 2A
Quiescent current (IQ): 40µA (sleep mode)
Shutdown current: 1µA
High-side MOSFET on-resistance: 155mΩ
Switching frequency range: 200 kHz – 2.5 MHz (adjustable)
Package: 8-pin HSOIC (SOIC-8-EP) with PowerPAD™
Operating junction temperature: –40°C to +125°C
Control mode: Current-mode control, with internal loop compensation
II. Why the LMR16020 Stands Out in Wide-Input Buck Designs
The LMR16020 is a 60V-class buck regulator in TI’s SIMPLE SWITCHER® series, featuring an integrated high-side MOSFET and designed specifically for power conditioning from unregulated power supplies. Its three most prominent selling points are: an ultra-wide input voltage range, extremely low quiescent power consumption, and a highly integrated design that simplifies implementation.
The 40µA quiescent current is a key competitive advantage. In sleep mode, the LMR16020’s quiescent current is just 40µA, falling further to 1µA in shutdown mode. For battery-powered systems, backup power modules or industrial equipment requiring extended standby periods, this specification directly determines battery life and system energy efficiency, making it one of the most critical differentiating factors during selection.
The wide input range of 4.3 V to 60 V covers the vast majority of industrial and automotive power supply scenarios. Whether the input source is a 12 V lead-acid battery, a 24 V industrial bus, or a 48 V telecommunications power supply, the LMR16020 operates stably without the need for additional input-stage pre-regulator circuits, significantly simplifying the system architecture.
Internal loop compensation substantially lowers the design threshold. Unlike buck solutions that require external compensation networks, the LMR16020 features built-in loop compensation, sparing users the need for cumbersome compensation design and minimising the number of external components. This represents a direct saving in time for hardware teams operating under tight development schedules.
III. Flexible Frequency and Protection Design
The switching frequency of the LMR16020 can be flexibly adjusted between 200 kHz and 2.5 MHz via an external resistor connected to the RT/SYNC pin, and it supports synchronisation with an external clock. This means engineers can make trade-offs based on design objectives: selecting a lower frequency to achieve high conversion efficiency, or increasing the frequency to minimise the size of inductors and capacitors.
In terms of protection features, the device incorporates cycle-by-cycle current limit protection, thermal sensing and thermal shutdown protection, output overvoltage protection, as well as a precision enable pin and a Power-Good status flag. The Power-Good signal can be used for power-up sequencing control or fault monitoring in multi-rail power supply systems, making it particularly useful in systems requiring multi-rail power delivery.
IV. Typical Application Scenarios
The LMR16020 is clearly positioned for the following applications:
Automotive battery regulation: The 4.3V–60V input range covers cold start and load dump conditions in 12V/24V on-board battery systems, whilst the 40µA IQ extends battery hold-up time during parking.
Industrial power modules: Used for on-board buck conversion of 24V/48V industrial buses, providing stable low-voltage power to sensors, MCUs and communication interfaces.
Telecommunications and data communication equipment: Acts as an intermediate-stage or point-of-load step-down converter in 48V communication power architectures.
Battery-powered portable devices: Its ultra-low IQ and 1µA shutdown current make it suitable for portable instruments and remote monitoring terminals requiring extended standby times.
V. Supply and Services
Mingjiada maintains a long-term stock of TI’s full range of power management ICs. The LMR16020PDDAR (reel-and-tape packaging) is available in original factory packaging; we support sample testing and bulk orders.
To obtain the latest quotation for the LMR16020, stock levels or information on other models, please submit your BOM or contact us directly.
Contact: Mr Chen
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Email: sales@hkmjd.com
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Website: https://www.integrated-ic.com/
Tags: LMR16020PDDAR, LMR16020PDDA, LMR16020PDD, LMR16020PD, LMR16020P, LMR16020
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