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NXP Semiconductors Electronic Components Datasheet

PCA9570 Datasheet

Remote 4-bit general purpose outputs

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PCA9570
Remote 4-bit general purpose outputs for 1 MHz I2C-bus
Rev. 5 — 16 November 2017
Product data sheet
1. General description
The PCA9570 is a CMOS device that provides 4 bits of General Purpose parallel Output
(GPO) expansion in low voltage processor and handheld battery powered mobile
applications. It operates at 1 MHz I2C-bus speeds while maintaining backward
compatibility to Fast-mode (400 kHz) and Standard-mode (100 kHz).
The PCA9570 is a streamlined GPO that consists of 4-bit push-pull outputs that offer low
current consumption, small packaging options and a low operating voltage range of 1.1 V
to 3.6 V. The latched outputs are symmetrical 4 mA current drive capability at 3.3 V to
drive various control logic. The PCA9570 output expander provides a simple solution
when additional outputs are needed while keeping interconnections and floor space to a
minimum, for example, in battery powered mobile applications where PCBs are crowded
for interfacing to sensors, push buttons, etc.
The PCA9570 contains an internal Power-On Reset (POR) and a Software Reset feature
that initializes the device to its default state.
2. Features and benefits
1 MHz I2C-bus interface with 6 mA SDA sink capability for lightly loaded buses
(<100 pF) and improved power consumption
Compliant with the I2C-bus Fast and Standard modes
1.1 V to 3.6 V operation
Latched outputs with a sink/source capability of 4 mA at 3.3 V
Readable device ID (manufacturer, device type, and revision)
Software Reset
Power-On Reset
Low standby current
40 C to +85 C operation
ESD protection exceeds 2000 V HBM per JESD22-A114 and 1000 V CDM per
JESD22-C101
Latch-up testing is done to JEDEC standard JESD78 which exceeds 100 mA
Packages offered: XQFN8 (0.5 mm lead pitch)
3. Applications
Smart phones and tablets
Portable medical equipment
Portable instrumentation and test measurement


NXP Semiconductors Electronic Components Datasheet

PCA9570 Datasheet

Remote 4-bit general purpose outputs

No Preview Available !

NXP Semiconductors
PCA9570
Remote 4-bit general purpose outputs for 1 MHz I2C-bus
4. Ordering information
Table 1. Ordering information
Type number Topside
marking
Package
Name
PCA9570GM P7X[1]
XQFN8
[1] ‘X’ changes based on date code.
Description
plastic, extremely thin quad flat package; no leads;
8 terminals; body 1.6 1.6 0.5 mm
Version
SOT902-2
4.1 Ordering options
Table 2. Ordering options
Type number
Orderable part
number
Package
PCA9570GM PCA9570GMH
XQFN8
Packing method
Reel 7” Q3/T4
*Standard mark
Minimum
order
quantity
4000
Temperature
Tamb = 40 C to +85 C
PCA9570
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 16 November 2017
© NXP Semiconductors N.V. 2017. All rights reserved.
2 of 30


Part Number PCA9570
Description Remote 4-bit general purpose outputs
Maker NXP
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PCA9570 Datasheet PDF






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