CAP1188-1-CP-TR Standard Microsystems, CAP1188-1-CP-TR Datasheet

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CAP1188-1-CP-TR

Manufacturer Part Number
CAP1188-1-CP-TR
Description
QFN 24/ 8 CHANNEL CAPACITIVE TOUCH SENSOR WITH 8 LED DRIVERS
Manufacturer
Standard Microsystems
Datasheet

Specifications of CAP1188-1-CP-TR

Pack_quantity
4000
Comm_code
85423990
Lead_time
84

Available stocks

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Part Number
Manufacturer
Quantity
Price
Part Number:
CAP1188-1-CP-TR
Manufacturer:
MICROCHIP
Quantity:
12 000
Part Number:
CAP1188-1-CP-TR
Manufacturer:
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8 Channel Capacitive Touch Sensor with 8 LED Drivers
PRODUCT FEATURES
General Description
The CAP1188, which incorporates SMSC’s RightTouch
technology, is a multiple channel Capacitive Touch sensor
with multiple power LED drivers. It contains eight (8)
i n d i v i d u a l c a p a c i t i v e t o u c h s e n s o r i n p u t s w i t h
programmable sensitivity for use in touch sensor
applications. Each sensor input automatically recalibrates
to compensate for gradual environmental changes.
The CAP1188 also contains eight (8) LED drivers that offer
full-on / off, variable rate blinking, dimness controls, and
breathing. Each of the LED drivers may be linked to one of
the sensor inputs to be actuated when a touch is detected.
As well, each LED driver may be individually controlled via
a host controller.
The CAP1188 includes Multiple Pattern Touch recognition
that allows the user to select a specific set of buttons to be
touched simultaneously. If this pattern is detected, then a
status bit is set and an interrupt generated.
Additionally, the CAP1188 includes circuitry and support for
enhanced sensor proximity detection.
The CAP1188 offers multiple power states operating at low
quiescent currents. In the Standby state of operation, one
or more capacitive touch sensor inputs are active and all
LEDs may be used. If a touch is detected, it will wake the
system using the WAKE/SPI_MOSI pin.
Deep Sleep is the lowest power state available, drawing
5uA (typical) of current. In this state, no sensor inputs are
active. Driving the WAKE/SPI_MOSI pin or communications
will wake the device.
1. SMSC and the SMSC logo are registered trademarks and SMSC
SMSC CAP1188
RightTouch and the RightTouch logo are trademarks of Standard
Microsystems Corporation ("SMSC").
LED1
LED5 LED6 LED7 LED8
LED Driver, Breathe, and
Dimness control
LED2 LED3 LED4
CS1
RESET
CS2
Capacitive Touch Sensing Algorithm
CS3
PRODUCT PREVIEW
CS4
Block Diagram
CS5
TM
VDD
CS6
1
GND
CS7
Applications
Features
Desktop and Notebook PCs
LCD Monitors
Consumer Electronics
Appliances
Eight (8) Capacitive Touch Sensor Inputs
Proximity Detection
Multiple Button Pattern Detection
Calibrates for Parasitic Capacitance
Analog Filtering for System Noise Sources
Press and Hold feature for Volume-like Applications
Multiple Communication Interfaces
Low Power Operation
Eight (8) LED Driver Outputs
Dedicated Wake output flags touches in low power state
System RESET pin
Available in 24-pin 4mm x 4mm RoHS compliant QFN
— Programmable sensitivity
— Automatic recalibration
— Individual thresholds for each button
— SMBus / I
— SMSC BC-Link interface
— SPI communications
— Pin selectable communications protocol and multiple
— 5uA quiescent current in Deep Sleep
— 50uA quiescent current in Standby (1 sensor input
— Samples one or more channels in Standby
— Open Drain or Push-Pull
— Programmable blink, breathe, and dimness controls
— Can be linked to Capacitive Touch Sensor inputs
package
CS8
CAP1188
slave addresses (SMBus / I
monitored)
WAKE / SPI_MOSI
BC-Link or
SPI Slave
SMBus /
Protocol
2
C compliant interface
ALERT# / BC_IRQ#
ADDR_COMM
SPI_CS#
SMCLK / BC_CLK /
SPI_CLK
SMDATA / BC_DATA / SPI_MSIO /
SPI_MISO
2
C only)
Revision 1.2 (02-10-11)
Data Brief

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