SILINKPS-EVB Silicon Laboratories Inc, SILINKPS-EVB Datasheet

SILINKPS-EVB

Manufacturer Part Number

SILINKPS-EVB

Description

DAUGHTER CARD PROSLIC PS

Manufacturer

Silicon Laboratories Inc

Type

DC/DC Switching Converters, Regulators & Controllersr

Datasheet

1.SILINKPS-EVB.pdf (12 pages)

Specifications of SILINKPS-EVB

Accessory Type

Power Supply Board

Input Voltage

9 V to 15 V

Output Voltage

3.3 V, 5 V

Product

Power Management Modules

Supply Current

2.5 A

For Use With/related Products

Silicon Labs' ProSLIC and DAA Eval Boards

Lead Free Status / RoHS Status

Contains lead / RoHS non-compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant, Contains lead / RoHS non-compliant

Current page: 1 of 12
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SiL

Introduction

The SiLinkPS-EVB is a system power supply board that

provides all the necessary supply voltages for a variety

of Silicon Laboratories’ ProSLIC and silicon DAA

evaluation boards. When used with an appropriate ac/

dc wall adapter, the SiLinkPS-EVB can provide up to

25 W of total output power. Table 1 lists some typical

voltages and currents at the power supply outputs.

Any combination of outputs is possible as long as the

simultaneous total power from all outputs does not

exceed the maximum rated 25 W and can be sufficiently

supported by the input power from the V

The SiLinkPS-EVB is designed with the same footprint

as all ProSLIC evaluation board daughter cards

allowing it to be used in conjunction with multiple

Rev. 0.2 8/03

Input/Output

VBRNG

Table 1. Power Supply Specifications

VBLO

VBHI

I N K

VDC in

PS-EVB U

Figure 1. SiLinkPS-EVB Power Supply Simplified Block Diagram

3.3 V/5 V

–52 V or

Voltage

9–15 V

–96 V

–78 V

–26 V

Current

100 mA

200 mA

2.5 A

1 A

S E R

Voltage

Supply

Battery

Supply

VDD

High

Low

3.3 W/5 W

22–37 W

’

5.2 W or

Power

9.6 W

7.8 W

5.2 W

U I D E

ProSLIC daughter cards to create a modular evaluation

platform.

The SiLinkPS-EVB circuit is based on two power supply

controllers from Linear Technology that provide high

efficiency and low bill-of-materials cost. Both circuits

can be synchronized to the same switching frequency to

reduce power supply switching noise. The outputs can

be configured to support both internal and external

ringing architectures by setting the provided jumpers to

set the desired output voltages. Further modifications

are possible to realize specific output voltage and

current requirements provided the total output power

does not exceed the rated maximum. Schematic

capture and layout gerber files are available for

integration into specific applications. Figure 1 illustrates

a simplified block diagram of the SiLinkPS-EVB supply

board.

Operating Instructions

The SiLinkPS-EVB board should always be connected

to the ProSLIC evaluation board platform prior to turning

on the power supply. Plugging any ProSLIC board into a

live high-voltage supply can permanently damage the

ProSLIC ICs. The user should exercise caution when

touching any part of the SiLinkPS-EVB because

dangerous high voltages are present and can cause

injury.

JP5 3.3 V/5 V Selector

JP6 VDD on/off

JP2, JP3,

Selection

Jumper

JP4

VBRNG

VBHI

VBLO

VDD

AN74

AN74-DS02

Related parts for SILINKPS-EVB

SILINKPS-EVB Summary of contents

Page 1

... SiL PS-EVB Introduction The SiLinkPS-EVB is a system power supply board that provides all the necessary supply voltages for a variety of Silicon Laboratories’ ProSLIC and silicon DAA evaluation boards. When used with an appropriate ac/ dc wall adapter, the SiLinkPS-EVB can provide total output power. Table 1 lists some typical voltages and currents at the power supply outputs ...

Page 2

... Resistor R23 can be modified to realize custom output voltages as defined in the following equation. VNEG = (1.23 x R23/R22) + 1.23 The SiLinkPS-EVB is shipped with R23 = 33.2 k and R22 = 1.65 k for VNEG equal The VBLO is normally used for off-hook state and its voltage level can be programmed by the setting on the Table 2 ...

Page 3

... LT1375 IC operates at its internal fixed 500 kHz and is only synchronized with the LTC3704 frequency when it senses the frequency on the SYNC pin going above 550 kHz. The SiLinkPS-EVB power designed to operate safely with switching frequency on the LTC3704 ranging from 200 kHz to 1 MHz. Initialization Steps 1 ...

Page 4

AN74 ...

Page 5

Rev. 0.2 AN74 5 ...

Page 6

AN74 6 Rev. 0.2 ...

Page 7

Si Link PS–EVB Bill of Materials nce C1 C2 C3,C8,C11,C15 C4 C5,C9,C12,C17 C7,C10,C13 C22,C14 C18 C16, C19 C20,C26 C21 C23 C24 D2 D3 D1,D5,D8,D11,D12 D9,D10 JP1 JP2,JP3,JP4,JP5,JP6,JP7 JS1,JS3,JS4,JS5 JS2 ...

Page 8

AN74 ...

Page 9

Cost-Optimized Dual Output Battery Supply Bill of Materials Reference C18 C5 C22, C14 C16*, C17 C19 C20 C21 C24 D3 D4 D12 L2 R13 R21, R14 R15 R17 R18 R20 R22 R23 T1 U2 Note: * Optional components ...

Page 10

AN74 Document Change List ! New power supply schematics Updated Figures 3, 4, and 5. " ! Updated document to support two levels of VBATL voltage. 10 Rev. 0.2 ...

Page 11

Notes: Rev. 0.2 AN74 11 ...

Page 12

... Should Buyer purchase or use Silicon Laboratories products for any such unintended or unauthorized ap- plication, Buyer shall indemnify and hold Silicon Laboratories harmless against all claims and damages. Silicon Laboratories, Silicon Labs, ISOmodem, and ISOcap are trademarks of Silicon Laboratories Inc. Other products or brandnames mentioned herein are trademarks or registered trademarks of their respective holders. ...

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