Datasheet

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Introduction

1 Introduction

1.1 I/O Description

Table 1. Power Connection

NUMBER TYPE LOCATION SIGNAL COMMENT

J1 I N Input supply Connection to input supply

J2 I N SPI Connection to SPI interface board

J3 O S LDO and MICRO outputs Connection to MICRO and LDO output

J7 O E Buck-boost output Connection to buck-boost output

Table 2. Header Descriptions

NUMBER FUNCTION LOCATION PLACEMENT COMMENT

Connect analog VIN(pin #2) to the

JP1 Supply connect NW Fit in most cases

main power connector(J1)

Connect VMAX to the joint of 1µF and

JP4 LDO input connector W Fit in most cases

LDO input

Fit only when Buck mini is

JP8 Buck mini connection S Connection to Buck mini inductor

used

Connection to PWR_LDO2 output If Not connect in BUCKmini

JP8A PWR_LDO2 connector S

buck-mini option available leave open mode

When not fitted adds a 1-Ω resistance

to the output capacitor, allowing for a

Fit according to test

JP10 Buck MINI output ESR S predictable ESR value for the

requirement

BUCKmini mode. Fit for low IQQ LDO

or zero leak circuit.

Connect to VMICRO for enabling

serial communication. Conect to GND Fit according to test

JP11 CE S

for Vmicro only mode for lowest IDDQ requirement

consumption.

Connect to GND to disable BB (I2C

Fit according to test

JP13 BB enable SE can enable it). Connect to VMICRO to

requirement

enable BB.

SLVU906–April 2013 Low IDDQ PMIC for Battery Energy Harvesting Applications

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