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The STP16CP596 is a monolithic, low voltage, low current power 16-bit shift register designed for LED panel displays. The STP16CP596 contains a 16-bit serial-in, parallel-out shift register that feeds a 16-bitD-type storage register. In the output stage, sixteen regulated current sources were designed to provide 3-50mA constant current to drive the LEDs.
Compared with the STPIC6C595, the device provides great flexibility and improved performance in LED panel system design.
Trough an external resistor, users can adjust the STP16CP596 output current, controlling in this way the light intensity of LEDs.
The STP16CP596 guarantees a 16V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 25 MHz, also satisfies the system requirement of high volume data transmission. The 3.3V of voltage supply is well useful for applications that interface any micro from 3.3V. Compared with a standard TSSOP package, the TSSOP exposed pad increases heat dissipation capability by a 2.5 factor.
STP16CP596 Maximum Ratings
Symbol
Parameter
Value
Unit
VDD
Supply Voltage
0 to 7
V
VO
Output Voltage
-0.5 to 16
V
IO
Output Current
50
mA
VI
Input Voltage
-0.4 to VDD+0.4
V
IGND
GND Terminal Current
800
V
fCLK
Clock Frequency
25
mA
TOPR
Operating Temperature Range
-40 to +125
°C
TSTG
Storage Temperature Range
-65 to +150
°C
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Under these conditions, functional operation is not implied.
STP16CP596 Features
·LOW VOLTAGE POWER SUPPLY DOWN TO 3V ·16 CONSTANT CURRENT OUTPUT CHANNELS · ADJUSTABLE OUTPUT CURRENT THROUGH EXTERNAL RESISTOR ·SERIAL DATA IN/PARALLEL DATA OUT ·SERIAL OUT CHANGES STATE ON THE FALLING EDGES OF CLOCK ·3.3V MICRO DRIVER-ABLE ·OUTPUT CURRENT: 3-50 mA ·25 MHz CLOCK FREQ. ·AVAILABLE IN HIGH THERMAL EFFICIENCY TSSOP EXPOSED PAD