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LED driver chip

ICN2595

LED display

Description
ICN2595 is Chipone's constant current driver,subversion constant pressure program,subversion of existing single-color display pattern,performance indicators industry-leading. It is a16-channel constant current sink output LED driver, used for Single & Dualcolor LED Display. ICN2595 could compatible two 74HC595. All 16-channels constant current can be set by a single external resistor, which provides users flexibility in controlling the light intensity of LEDs.
ICN2595 contains 16-bit shift registers and latches which convert serial input data into parallel output format,therefore,the ON or OFF of LED can be controlled by an external enable signal. and ICN2595 exploits current precision controlling technology,which makes error between ICs less than ±2.5%, and error between channels less than±1.3%.
Features
• Used for Single & Dual color LEDDisplay
• 16 channel constant-current output
• One ICN2595 Compatible Two 74HC595
• Output current setting range:
        1~65mA×16@VDD=5V constant current output
        1~30mA×16@VDD=3.3V constant current output
• Current accuracy
• Between channel :< ±1.3%
• Between ICs :< ± 2.5%
• Fast response of output current,
        (min):60ns@VDD=5V
• I/O: Schmitt trigger input
• Data transfer frequency: fMAX=30MHz(Max)
• Power supply voltage: VDD=3.3~5.5V
• Operating Temperature: –40°C to +85°C

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ICN2053

LED Display

Description
The ICN2053 is a 16-channel PWM constant current sink LED driver for 1:32 time multiplexing applications. The constant-current value of all 16 channels is set by a single external resistor.
ICN2053 converts serial input date into the gray scale of each pixel by a 16-bit shift register. ICN2053 detects individual LED open errors without extra components. ICN2053 also integrated pre-charge circuit for ghosting reduction.
The ICN2053 exploits precise current regulation technology, with both channel-to-channelerr or and chip-to-chip error less than 2.0%.
Features
• 16 constant-current output channels
• Support time-multiplexing for 1~32 scans
• Output current setting range:
        0.5~25mA×16@VDD=5V constant currentoutput
        0.5~18mA×16@VDD=4.2V constant currentoutput
        0.5~10mA×16@VDD=3.3V constant currentoutput
• Current accuracy
        Between channel :< ±2.0 %(Max.)
        Between ICs :< ±2.0 % (Max.)
• 8 bit current gain:12.5%~200%
• Fast response of output current:
        (min):20ns@VDD=5V
• Data transfer frequency: fMAX=35MHz(Max)
• Power supply voltage: VDD=3.3~5V
• Operating Temperature: –40°C to +85°C
• Output current equation
        
• Pre-charge for ghosting reduction
• LED open detection
• Enhanced Circuit for Caterpillar Cancelling

• Low-gray scale enhancement

• Integrating LED protection circuit

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ICN2052

LED Display

Description
The ICN2052 is a 16-channel PWM constant current sink LED driver for 1:16 time multiplexing applications. The constant-current value of all 16 channels is set by a single external resistor.
ICN2052 converts serial input date into the gray scale of each pixel by a 16-bit shift register.ICN2052 detects individual LED open errors without extra components. ICN2052 also integrated pre-charge circuit for ghosting reduction.
The ICN2052 exploits precise current regulation technology, with both channel-to-channel error and chip-to-chip error less than ±2.0%. 

Features
• 16 constant-current output channels
• Support time-multiplexing for 1~36 scans
• Output current setting range:
        0.5~30mA×16@VDD=5V constant current output
        0.5~23mA×16@VDD=4.2V constant current output
• Current accuracy
        Between channel :< ±2.0 %(Max.)
        Between ICs :< ±2.0 % (Max.)
• 8 bit current gain:12.5%~200%
• Fast response of output current:
       (min):20ns@VDD=5V
• Data transfer frequency: fMAX=35MHz(Max)
• Power supply voltage: VDD=3.3~5V
• Operating Temperature: –40°C to +85°C
• Output current equation
        
• Pre-charge for ghosting reduction
• LED open detection
• Enhanced Circuit for Caterpillar Cancelling

• Low-gray scale enhancement

• Integrating LED protection circuit

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ICN2051

LED Display

Description
The ICN2051 is a 16-channel PWM constant current sink LED driver for 1:8 time multiplexing applications. The constant-current value of all 16 channels is set by a single external resistor.
ICN2051 converts serial input date into the gray scale of each pixel by a 16-bit shift register.ICN2051 detects individual LED open errors without extra components. ICN2051 also integrated pre-charge circuit for ghosting reduction.
The ICN2051 exploits precise current regulation technology, with both channel-to-channelerr or and chip-to-chip error less than 2.0%.
Features
• 16constant-current output channels
• Support time-multiplexing for 1~8 scans
• Output current setting range:
        0.5~30mA×16@VDD=5V constant currentoutput
        0.5~23mA×16@VDD=4.2V constant currentoutput
• Current accuracy
        Between channel :< ±2.0 %(Max.)
        Between ICs :< ±2.0 % (Max.)
• 8 bit current gain:12.5%~200%
• Fast response of output current:
        (min):20ns@VDD=5V
• Data transfer frequency: fMAX=35MHz(Max)
• Power supply voltage: VDD=3.3~5V
• Operating Temperature: –40°C to +85°C
• Output current equation
    
• Pre-charge forghosting reduction
• LED open detection
• Enhanced Circuit for Caterpillar Cancelling

• Low-gray scale enhancement

• Integrating LED protection circuit

 

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ICN2038S

Constant CurrentDriver

Description
The ICN2038S is a 16-channel constant current sink output LED driver. All 16-channels constant current can be set by a single external resistor, which provides users flexibility in controlling the light intensity of LEDs.
The ICN2038S exploits current precision controlling technology,which makes error between ICs less than ±2.0%, anderr or between channels less than ±2.0%. At ICN2038S output stage,16-regulated output ports are designed to provide uniform and constant current sinks for driving LEDs within a large range of forward voltage(VF) variations.
ICN2038S contains two 16-bit shift registers and latches which convert serial input data into parallel output format. For integrated dual latches, ICN2038S could get higher refresh rate.
Features
• 16-channel constant current output
• Output current setting range:
        0.5~45mA×16@VDD=5Vconstant current output
          0.5~25mA×16@VDD=3.3Vconstant current output
• Current accuracy
        Between channel :< ±2.0%
        Between ICs :< ± 2.0%
• Fast response of output current,
      (min):40ns@VDD=5V
• I/O: Schmitt trigger input
• Data transfer frequency:fMAX=30MHz(Max)
• Power supply voltage: VDD=3.3~5V
• Operating Temperature: –40°C to +85°C
• 4 bit current gain:25%~100%
• Adjustable Pre-Charge for Ghosting Reduction
• LED Protection Circuit
• Enhanced Circuit for Caterpillar Cancelling
• Low-Gray Scale Enhancement

• Integrated Dual Latches for higher refresh rate

• Dim line at thefirst scan line

Download

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ICN2038

Constant Current Driver

Description
The ICN2038 is a 16-channel constant current sink output LED driver. All 16-channels constant current can be set by a single external resistor, which provides users flexibility in controlling the light intensity of LEDs.
The ICN2038 exploits current precision controlling technology,which makes error between ICs less than ±2.5%, and error between channels less than ±1.3%. At ICN2038 output stage,16-regulated output ports are designed to provide uniform and constant current sinks for driving LEDs within a large range of forward voltage(VF) variations.
ICN2038 contains two 16-bit shift registers and latches which convert serial input data into parallel output format. For integrated dual latch, ICN2038 could get higher refresh rate.
Features
• 16-channel constant current output
• 16-channel constant current output
• Output current setting range:
        0.5~45mA×16@VDD=5V constant current output
        0.5~25mA×16@VDD=3.3Vconstant current output
• Current accuracy
        Between channel :< ±1.3%
        Between ICs :< ± 2.5%
• Fast response of output current,
      (min):40ns@VDD=5V
• ESD HBM PASS 8KV
• I/O: Schmitt trigger input
• Data transfer frequency:fMAX=30MHz(Max)
• Power supply voltage: VDD=3.3~5V
• OperatingTemperature: –40°C to +85°C
• Pre-Charge for Ghosting Reduction
• LED Protection
• Enhanced Circuit for Caterpillar Cancelling
• Low-Gray Scale Enhancement
• Integrated DualLatch for higher refresh rate

Download

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ICN2028

16-Channel Constant Current LED Sink Driver with Dual Latch

The ICN2028 is a 16-channel constant current sink output LED driver. All 16-channels constant current can be set by a single external resistor, which provides users flexibility in controlling the light intensity of LEDs.

The ICN2028 exploits current precision controlling technology,which makes error between ICs less than ±2.5%, and error between channels less than ±3.0%. At ICN2028 output stage,16-regulated output ports are designed to provide uniform and constant current sinks for driving LEDs within a large range of forward voltage(VF) variations.

ICN2028 contains two 16-bit shift registers and latches which convert serial input data into parallel output format. For integrated dual latch, ICN2028 could get higher refresh rate.

Features

•  16-channel constant current output

•  Output current setting range:

          3~45mA×16@VDD=5V constant current output

          3~25mA×16@VDD=3.3Vconstant current output

•  Current accuracy

          Between channel :< ±3.0%

          Between ICs :< ± 2.5%

•  Fast response of output current,

•  I/O: Schmitt trigger input

•  Data transfer frequency:fMAX=25MHz(Max)

•  Power supply voltage: VDD=3.3~5V

•  Operating Temperature: –40°C to +85°C

•  LED Protection

•  Low-Gray Scale Enhancement

•  Integrated Dual Latch for higher refresh rate

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