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TC62D776CFNAG 데이터시트 PDF




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부품번호 TC62D776CFNAG 기능
기능 16-Channel Constant-Current LED Driver
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TC62D776CFNAG 데이터시트, 핀배열, 회로
TC62D776CFNAG
TOSHIBA CDMOS Integrated Circuit Silicon Monolithic
TC62D776CFNAG
16-Channel Constant-Current LED Driver of the 3.3-V and 5-V Power Supply
The TC62D776CFNAG is a constant-current driver for LED and
LED display lighting applications.
The output current from each of the 16 outputs is programmable
via a single external resistor.
The TC62D776CFNAG contains a 16-channel shift register, a
16-channel latch, a 16-channel AND gate and a 16-channel
constant-current output.
Fabricated with a CMOS process, the TC62D776CFNAG allows
high-speed data transfer.
It operates with a 3.3- or 5-V power supply.
.
P-SSOP24-0409-0.64-001
Weight : 0.14g (typ.)
Features
Supply voltage
16-output built-in
: VDD = 3.0~5.5 V
Output current setup range
: IOUT = 1.5~90 mA
Constant current output accuracy (@ REXT = 1.2 kΩ, VOUT = 1.0 V, VDD = 3.3 V, 5.0 V)
: S rank; between outputs ± 1.5 % (max)
: S rank; between devices ± 1.5 % (max)
: N rank; between outputs ± 2.5 % (max)
: N rank; between devices ± 2.5 % (max)
Output voltage
: VOUT = 17 V (max)
I/O interface
: CMOS interfaces (Schmitt trigger input)
Data transfer frequency
: fSCK = 25 MHz (max)
Operation temperature range
: Topr = 40~85 °C
8-bit (256 steps) current correction function built-in.
1 bit (HC) by the MSB side: Selects the output current range.
7 bit by the LSB side: Output current is adjusted at 128 steps in the range of 11% to 45%. (In the case of HC=1)
Output current is adjusted at 128 steps in the range of 50% to 200%. (In the case of HC=0)
Thermal shutdown function (TSD) built-in.
Output error detection function built-in.
Auto-output error detection and manual-output error detection using commands
Output open detection function (OOD) and output short detection function (OSD) built-in.
Power-on-reset function built-in. (When the power supply is turned on, internal data is reset)
Stand-by function built-in. (IDD = 1μA at standby mode)
Output delay function built-in. (Output switching noise is reduced)
Package
: P-SSOP24-0409-0.64-001
For detailed part naming conventions, contact your local Toshiba sales representative or distributor.
1 2011-12-14




TC62D776CFNAG pdf, 반도체, 판매, 대치품
Equivalent Circuits for Inputs and Outputs
1. ENABLE Terminal
VDD
R (UP)
TC62D776CFNAG
2. TRANS Terminal
VDD
ENABLE
TRANS
GND
SCK and SIN Terminals
VDD
SCK
SIN
GND
4. OUT0 to OUT15 Terminals
OUT0 ~ OUT15
GND
R (DOWN)
3. SOUT Terminal
VDD
SERIAL-OUT
GND
GND
4 2011-12-14

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TC62D776CFNAG 전자부품, 판매, 대치품
TC62D776CFNAG
About the operation of each command
S0 command (Input of output ON/OFF data.)
Description
If SCK pulses High zero or one time while TRANS is High, it is interpreted as the S0 command, which
acts as follows.
Basic input pattern of S0 command
Input form of output ON/OFF data
MSB
LSB
D15 D14 D13 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
OUT15 OUT14 OUT13 OUT12 OUT11 OUT10 OUT9 OUT8 OUT7 OUT6 OUT5 OUT4 OUT3 OUT2 OUT1 OUT0
Input in MSB first.
Output ON/OFF data setting
Input Data
1
0
Default after power-on
Data
0
Setting
Output turn on
Output turn off
Setting
Output turn off
Automatic Error Detection Mode
If output open/short detection is enabled, its result is automatically transferred from the Error Detection
Result register to the 16-bit Shift Register, which can be shifted out from the SOUT pin.
Output open/short detection can be enabled with the S3 command.
Open/short errors can be detected only for output channels that are enabled for at least 800 ns (note 1) and
are configured to be turned on. For the disabled output channels, the detection result will be 1 (normal). If the
output channels stay on for no longer than 800 ns, the automatic error detection result will be invalid; in this
case, the detection results of all channels will be 1 (normal).
Note 1: Automatic error detection is triggered by the falling edge of the ENABLE signal. Thus, this feature can
not be used when ENABLE is tied Low.
In the figure shown below, the outputs are enabled for over 800 ns during the Terr2 period, but the automatic
error detection result is invalid; thus, it should be kept in mind that the detection results will be 1 (normal) for
all channels.
7 2011-12-14

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부품번호상세설명 및 기능제조사
TC62D776CFNAG

16-Channel Constant-Current LED Driver

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