PCA2003 datasheet(2/21 Pages) NXP

No de pièce	PCA2003

Description	32 kHz watch circuit with programmable adaptive motor pulse and pulse period

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Fabricant	NXP [NXP Semiconductors]

Site Internet	http://www.nxp.com

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PCA2003_2

Product data sheet

Rev. 02 — 21 July 2009

2 of 21

NXP Semiconductors

PCA2003

32 kHz watch circuit with programmable adaptive motor pulse

Applications

I Driver circuits for bipolar stepping motors

I High immunity motor drive circuits

Ordering information

[1]

Version AC: enhanced oscillator performance; to be used for new designs.

[2]

Packing method: bare die; chip on ﬁlm frame carrier.

Block diagram

Table 1.

Ordering information

Type number[1]

Package

Name

Description

Version

PCA2003U/10AA/1

PCA200xU

wire bond die; 8 bonding pads;

1.16

× 0.86 × 0.22 mm[2]

PCA200xU

PCA2003U/10AC/1

PCA200xU

wire bond die; 8 bonding pads;

1.16

× 0.86 × 0.22 mm[2]

PCA200xU

Fig 1.

Block diagram

001aai168

÷4

MOT2

MOT1

RESET

VDD

VSS

VOLTAGE DETECTOR,

OTP-CONTROLLER

MOTOR CONTROL WITH

ADAPTIVE PULSE MODULATION

STEP

DETECTION

PCA2003

DIVIDER

RESET

reset

32 Hz

1 Hz

8 kHz

OSCILLATOR

OSCIN

OSCOUT

i.c.

OTP-MEMORY

TIMING ADJUSTMENT,

INHIBITION

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