AS1112 EB austriamicrosystems, AS1112 EB Datasheet
AS1112 EB
Specifications of AS1112 EB
Related parts for AS1112 EB
AS1112 EB Summary of contents
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... LED V Flag CC Detect 22 XERR 30 AS1112 GND www.austriamicrosystems.com/LED-Driver-ICs/AS1112 2 Key Features 16 Channels Greyscale PWM Control: 12-Bit (4096 Steps) Dot Correction: 6-Bit (64 Steps) Drive Capability (Constant-Current Sink 100mA LED Power Supply Voltage 15V Supply Voltage Range: 3.0 to 5.5 V SPI-Compatible Serial Interface Controlled In-Rush Current Data Transfer & ...
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... OUTn outputs are forced off; the greyscale counter is reset. Data Latch. The internal connections are switched by pin MODE. For LD (MODE = GND), the greyscale register receives new data For LD (MODE = V Thermal Pad. This pin must be connected to GND to ensure normal operation. 33 Thermal Pad www.austriamicrosystems.com/LED-Driver-ICs/AS1112 24 GSCLK CLK 1 SDI 2 23 SDO MODE 3 ...
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... Storage Temperature Range Package Body Temperature Humidity non-condensing Moisture Sensitive Level 1. Depending on actual PCB layout and PCB used derating factor changes the total continuous power dissipation (P DERATE T =85ºC calculate P at 85º DERATE www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Recommended Operating Conditions on page 4 Min Max Units - ...
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... Hold Time See Figure 10 on page 12. 2. See Figure 14 on page 14. 3. See Figure 12 on page 13. 4. See Figure 7 on page 8. www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Conditions SDO SDO, XERR CC OUT0:OUT15 = -40 to 85°C (unless otherwise noted) AMB Conditions CLK GSCLK 1 CLK = 1/0 2 GSCLK = 1 OEN = 1 3 SDI, CLK ...
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... Thermal Error Flag Threshold TEF T Thermal Warn Flag Threshold TWF V LED Short Detection Threshold LSD V LED Open Detection Threshold LOD V Reference Voltage Output IREF 1. Specified by design. Not tested. www.austriamicrosystems.com/LED-Driver-ICs/AS1112 = 25° (unless otherwise specified). AMB CC Condition I = -1mA, SDO 1mA, SDO, XERR GND; Pins OEN, TEST, ...
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... See Figure 14 on page 14. 3. Only for AS1112 and AS1112B. Note: All limits are guaranteed. The parameters with min and max values are guaranteed with production tests or SQC (Statistical Quality Control) methods. www.austriamicrosystems.com/LED-Driver-ICs/AS1112 = 25° (unless otherwise specified). AMB CC Conditions SDO ...
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... Iout = 80mA (480Ω Iout = 60mA (640Ω Iout = 40mA (1kΩ Iout = 15mA (2.7kΩ (V) DS Figure 5. Output Current vs EXT 100 REXT (kOhm) www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Figure 4. Output Current vs. V 120 110 100 0.5 Figure 6. Output Current vs. Dot Correction Value Dot Correction Value Revision 1.09 ...
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... AS1112 devices can be ORed together and pulled This reduces the number of signals needed to report a system error. To differentiate the overtemperature flag from the open LED detect flag from pin XERR, the open LED detect flag can be masked out by setting OEN = 1 (see Table 8). www.austriamicrosystems.com/LED-Driver-ICs/AS1112 2). Greyscale Mode Data Input Cycle t t ...
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... OUTn is higher than V Note: The voltage at each OUTn is sampled 1µs after being switched on. Please refer to The shorted LED status of each channel can only be read out from the AS1112 status information data (SID) during a greyscale data input cycle. www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Error Information Thermal ...
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... V = 1.24V; IREF R = User-selected external resistor. IREF Figure 5 on page 7 shows the maximum output current I GND, and I is the constant output current of OUT0:OUT15. OUT www.austriamicrosystems.com/LED-Driver-ICs/AS1112 , DC=3F ) HEX >1µs LODn, LSDn Error Detection Start , the dot correction registers are updated which is placed between pin I IREF (1 ...
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... Figure 9). Channel data is put on one by one, and the data is clocked in with the MSB first. Figure 9. Dot Correction Data Packet Format MSB ... DC15.5 DC15.0 DC14.5 DC OUT15 www.austriamicrosystems.com/LED-Driver-ICs/AS1112 DCn OUT MAX 63 10). Greyscale operating mode (see Figure 12 on page 13) ...
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... When pin MODE is tied to GND, the AS1112 enters greyscale data input mode. The device switches the input shift register to 192-bit width. After all data is clocked in, the rising edge of the LD signal latches the data into the greyscale register All greyscale data in the input shift register is replaced with status information data (SID) after latching into the greyscale register. www.austriamicrosystems.com/LED-Driver-ICs/AS1112 DCn DCn ...
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... The AS1112 compares the greyscale value of each OUTn channel with the greyscale counter value. All OUTn whose greyscale values equal the counter values are switched off. A OEN = 1 signal after 4096 GSCLK pulses resets the greyscale counter to zero and completes a greyscale PWM cycle (see Figure 14). www.austriamicrosystems.com/LED-Driver-ICs/AS1112 1st Greyscale Mode SU3 t H3 ...
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... AS1112 Datasheet - Figure 14. Greyscale PWM Cycle Timing Diagram OEN GSCLK t PD1 OUT0 Current t PD1 OUT1 Current PD1 D OUT15 Current XERR www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Greyscale PWM Cycle n t WL1 t WH1 PD3 PD3 PD2 Revision 1.09 Greyscale PWM Cycle n SU4 t WH3 4096 t PD3 ...
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... GSCLK f is the update rate of whole cascaded system. UPDATE Where the minimum frequency needed for CLK and SIN; CLK f is the update rate of whole cascaded system; UPDATE n is the number of cascaded of AS1112 devices. www.austriamicrosystems.com/LED-Driver-ICs/AS1112 V LED ... OUT0 OUT15 ... SDO SDI V CC XERR ...
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... AS1112 Datasheet - Package Drawings and Markings Figure 16. 32-pin TQFN 5x5 mm Marking Figure 17. Packaging Code YYWWIZZ YY last two digits of the current year www.austriamicrosystems.com/LED-Driver-ICs/AS1112 WW I plant identifier manufacturing week Revision 1.09 ZZ free choice / traceability code ...
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... AS1112 Datasheet - Figure 18. 32-pin TQFN 5x5 mm Package www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Revision 1. ...
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... For further information and requests, please contact us or find your local distributor at http://www.austriamicrosystems.com/distributor www.austriamicrosystems.com/LED-Driver-ICs/AS1112 Table 11. Description Delivery Form Tape and Reel Tape and Reel Tape and Reel without Output Delay http://www.austriamicrosystems.com/ICdirect mailto:sales@austriamicrosystems.com Revision 1.09 Package 32-pin TQFN 5x5 mm 32-pin TQFN 5x5 mm 32-pin TQFN 5x5 ...
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... AG reserves the right to change specifications and prices at any time and without notice. Therefore, prior to designing this product into a system necessary to check with austriamicrosystems AG for current information. This product is intended for use in normal commercial applications. Applications requiring extended temperature range, unusual environmental requirements, or high reliability applications, such as military, medical life-support or life-sustaining equipment are specifically not recommended without additional processing by austriamicrosystems AG for each application ...