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Ericsson Power Modules has launched the 3E series BMR463, a second-generation, digital point-of-load (PoL) regulator for information communication and technology (ICT) applications and more.

The PoL regulator enables systems architects to fully monitor and dynamically control the energy that is delivered to strategic components such as processors, FPGAs, ASICs and others, down to a low, economical level.

Following on from the BMR450 and BMR451 regulators, the 20A rated BMR463 is optimised for paralleling up to eight modules.

This configuration of eight BMR463s can deliver 160A with each module able to be paralleled and unparalleled on demand, dynamically tracking and reducing the power consumption as required and optimising the configuration for a range of load conditions.

Additionally, when parallel mode is activated, an interleaving operation reduces electromagnetic interference and current-peak levels.

A built-in module-to-module Group Communication Bus (GCB) ensures that current sharing is precisely controlled, guaranteeing that at any point of operation each BMR463 delivers the exact current required by the payload while keeping efficiency high.

With an output power of up to 66W, the BMR463 has an input voltage range of 4.5V to 14V and an output voltage range of 0.6V to 3.3V.

Input and output voltages can be programmed on demand via the PMBus, or a pin-strap can accommodate any voltage required by the external circuit, reducing the number of products required by board designers, lowering costs and reducing time-to-market.

With efficiency of 97.1 per cent (5Vin, 3.3V output and half load), the module has a small form factor of 25.65 x 13.8 x 8.2mm (1.01 x 0.543 x 0.323in).

Suitable for low board pitch applications, the module’s highly integrated package has a low profile of 8.2mm (0.323in).

On-board protection includes input under-voltage protection by shutdown (UVP), over-temperature protection (OTP), and output shirt-circuit and over-voltage protection (OCP).

Other features include voltage tracking and voltage margining, remote control and power good, a non-linear response for reduction of decoupling capacitors, and an advanced configurability via Ericsson’s 3E graphical user interface, the GUI Silver Edition.

By embedding a digital core in conjunction with a highly efficient powertrain and a so-called ‘U-shape’ output stage, the BMR463’s construction is optimised to minimise power losses.

Power dissipation is therefore reduced, resulting in enhanced lifetime and reliability.

According to market analysts, the fastest-growing segment for digitally controlled point-of-load devices and equipment is ICT, which includes radio base stations and data centres where distributed power architectures are broadly deployed.

However, Ericsson said its BMR463 is suitable for powering any application where optimum flexibility and efficiency are needed.

Ericsson Power Modules

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