tca62746fg TOSHIBA Semiconductor CORPORATION, tca62746fg Datasheet
tca62746fg
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tca62746fg Summary of contents
Page 1
... The terminals which are marginal to electro static discharge are shown in the following table. (Please refer to page 18 for details.) ESD condition MM (±200V MHz = −40 to 85°C opr Marginal terminals 5,6,7,8,9,10,11,12,13,14,15,16,19,20 1 TCA62746FG/FNG TCA62746FG TCA62746FNG Weight SSOP24-P-300-1.00B : 0.32 g (typ.) SSOP24-P-300-0.65A : 0.14 g (typ.) 2006-10-23 ...
Page 2
... EXT SCK 3 22 SOUT SLAT OUT OUT 15 OUT OUT 14 OUT OUT 13 OUT OUT 12 OUT OUT 11 OUT OUT 10 OUT OUT 9 OUT OUT LED 2 TCA62746FG/FNG ), or short-circuiting the R pin to the GND EXT 2006-10-23 ...
Page 3
... OUT0 OUT1 OUT15 OSD 2.9 V OOD 0.05 V OUT0 OUT1 OUT15 Constant current outputs with delay for total rush current Delay Delay Q0 Q1 Q15 16-bit D-latch D15 Q15 Presettable 16-bit shift register ST D0~D15 TCA62746FG/FNG V DD B.G POR GND R EXT R Q15 SOUT R 2006-10-23 ...
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... … Dn − 5 … Dn − … Dn − 5 … Dn − TCA62746FG/FNG Dn … Dn − 7 … Dn − Change OFF 14 15 2006-10-23 SOUT Dn − − − − − ...
Page 5
... Also used for OOD/OSD mode settings. The serial data output pin. O This pin outputs the LED ON data and OOD/OSD detection result data. O The constant current value setting resistor connection pin. The logic power supply input pin. 5 TCA62746FG/FNG Function 2006-10-23 ...
Page 6
... OE = “H” or “L” pw (OE) SIN-SCK ( ↑ ), SCK ( ↑ ) − SLAT ( ↓ SCK ( ↑ ) − SIN, SLAT ( ↓ ) − SCK ( ↑ TCA62746FG/FNG Rating − 0 − − 0 − − 150 Min Typ. ...
Page 7
... OUT 0 EXT SLAT DOWN 4.5 to 5.5 V and Topr = DD Symbol Test Conditions 4.5 to 5.5 V OOD 4.5 to 5.5 V OSD DD 7 TCA62746FG/FNG 4.5 to 5.5 V and Topr = DD Min Typ. Max 4.5 5.0 5.5 ⎯ ⎯ 16 ⎯ ⎯ ⎯ − 0.4 ⎯ ⎯ 0.4 ⎯ ⎯ ⎯ ⎯ ...
Page 8
... OUTn - OUT ( between adjacent t DLY (ON) outputs OUTn - OUT ( between adjacent t DLY (OFF) outputs = 1 500 Ω, I OUT IL EXT 8 TCA62746FG/FNG = 25°C and (Note 1) Min Typ. Max ⎯ 20 100 ⎯ 20 100 ⎯ 20 100 ⎯ ⎯ ...
Page 9
... I/O Equivalent Circuits 1. SCK, SIN (No pull-up or pull-down resistors (SCK) (SIN) GND 3. SLAT (Pull-down resistor SLAT GND 5. OUT0 to OUT15 2. OE (Pull-up resistor GND 4. SOUT OUT 0 to OUT 15 GND 9 TCA62746FG/FNG V DD SOUT GND 2006-10-23 ...
Page 10
... ON or OFF at the same time D15 V DD SCK OUT 0 SIN SLAT OUT 7 OE OUT 15 R GND SOUT EXT I ref OUT 0 × 1 Delay × 2 Delay Delay × 15 Delay Delay 10 TCA62746FG/FNG = 85 Ω 10 OUT 1 OUT 2 OUT 15 2006-10-23 ...
Page 11
... SCK, SIN, SLAT , OE , OUT0 SCK SIN SLAT OE OUT0 3. OUT0 OE OUT 0 t wSCK 50% 50% t HOLD1 50 pLH pHL 50% t SETUP2 50% 50% t wSLAT 50% 50 pHL1 pLH1 t /t pHL2 pLH2 t wOE1 50% 50% tpLH3 tpHL3 90% 50% 50% 10% 10 TCA62746FG/FNG t wOE1 50% OFF 90% ON 2006-10-23 ...
Page 12
... OOD Mode/OSD Mode twsck SCK 50 SETUP3 HOLD2 50% OE SLAT 5. OOD/OSD Read Mode SCK 50% OE 50% 50% t SETUP4 50% 50% t wOE2 12 TCA62746FG/FNG 50% t HOLD3 50% 50% 50% 2006-10-23 ...
Page 13
... As shown in the above figures, once a short pulse “HLHHHH” appears, TCA62746 would go thorough the mode switching. At the sixth rising edge of SCK, if SLAT is sampled as “H”, TCA62746 would switch to the OOD mode; otherwise, it would switch to the Normal Mode TCA62746FG/FNG 2006-10-23 ...
Page 14
... SLAT The signal sequence sets TCA62746 the Normal mode. n ≥ 3 MIN 2 µ Error status code Bit Bit Bit Bit Bit Bit pin. SOUT “L” level 14 TCA62746FG/FNG 2006-10-23 ...
Page 15
... TCA62746, N-2 N × 16 CLK 3 CLK SIN Don’t care 2CLK 2 µ s SOUT, 0 SOUT, 1 SOUT, N-1 Test data Detection the error status 15 TCA62746FG/FNG SOUT, N-1 TCA62746, N-1 N × 16 CLK × 16-1 Normal mode Reading back the error status code Error: 0 Normal ...
Page 16
... EXT TCA62746FG 10 TCA62746FNG 100 0 1.4 1.2 1.0 0.8 0.6 0.4 TCA62746FG 0.2 TCA62746FNG 0 100 0 ( Ω )) × 19 EXT 4000 5000 16 TCA62746FG/FNG I - Duty O V =5.5V DD Ta=55°C V =1. PCB Duty - Turn on rate (%) PCB (℃) 2006-10-23 TCA62746FG TCA62746FNG 80 100 TCA62746FG TCA62746FNG ...
Page 17
... Package Dimensions Weight: 0.32 g (typ.) TCA62746FG/FNG 17 2006-10-23 ...
Page 18
... Package Dimensions Weight: 0.14 g (typ.) TCA62746FG/FNG 18 2006-10-23 ...
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... DD ⎯ 200 V DD ⎯ 200 V DD ⎯ 200 V DD ⎯ 200 V DD ⎯ 200 V DD ⎯ 200 GND 19 TCA62746FG/FNG + Serge NG OK ⎯ V 200 DD ⎯ ,GND 200 ⎯ ,GND 200 ⎯ ,GND 200 ,GND 180 160 ,GND 180 160 ,GND 180 160 ...
Page 20
... Toshiba does not grant any license to any industrial property rights by providing these examples of application circuits. 5. Test Circuits Components in the test circuits are used only to obtain and confirm the device characteristics. These components and circuits are not guaranteed to prevent malfunction or failure from occurring in the application equipment. TCA62746FG/FNG 20 2006-10-23 ...
Page 21
... DC voltage will increase. If this output voltage is connected to a speaker with low input withstand voltage, overcurrent or IC failure can cause smoke or ignition. (The over current can cause smoke or ignition from the IC itself.) In particular, please pay attention when using a Bridge Tied Load (BTL) connection type IC that inputs output DC voltage to a speaker directly. TCA62746FG/FNG 21 2006-10-23 ...
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... TCA62746FG/FNG 22 2006-10-23 ...