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參數(shù)資料
| 型號： | 935285129112 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | LED DISPLAY DRIVER, PDSO28 |
| 封裝： | 4.40 MM, PLASTIC, MO-153, SOT361-1, TSSOP-28 |
| 文件頁數(shù)： | 48/54頁 |
| 文件大小： | 410K |
| 代理商： | 935285129112 |
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16 LED drivers. Each output programmable at:
Off
On
Programmable LED brightness
Programmable LED turn-on time to help reduce EMI
1 MHz Fast-mode Plus compatible I2C-bus interface with 30 mA high drive capability on SDA output for driving high capacitive buses
4096-step (12-bit) linear programmable brightness per LED output varying from fully off (default) to maximum brightness
LED output frequency (all LEDs) typically varies from 40 Hz to 1000 Hz (Default of 1Eh in PRE_SCALE register results in a 200 Hz refresh rate with oscillator clock of 25 MHz.)
Sixteen totem pole outputs (sink 25 mA and source 10 mA at 5 V) with software programmable open-drain LED outputs selection (default at totem pole). No input function.
Output state change programmable on the Acknowledge or the STOP Command to update outputs byte-by-byte or all at the same time (default to 'Change on STOP').
Active LOW Output Enable (OE) input pin. LEDn outputs programmable to logic 1, logic 0 (default at power-up) or 'high-impedance' when OE is HIGH.
6 hardware address pins allow 62 PCA9685 devices to be connected to the same I2C-bus
Toggling OE allows for hardware LED blinking
4 software programmable I2C-bus addresses (one LED All Call address and three LED Sub Call addresses) allow groups of devices to be addressed at the same time in any
combination (for example, one register used for 'All Call' so that all the PCA9685s on the I2C-bus can be addressed at the same time and the second register used for three different
addresses so that 1/3 of all devices on the bus can be addressed at the same time in a group). Software enable and disable for these I2C-bus address.
Software Reset feature (SWRST General Call) allows the device to be reset through the I2C-bus
25 MHz typical internal oscillator requires no external components
External 50 MHz (max.) clock input
Internal power-on reset
Noise filter on SDA/SCL inputs
Edge rate control on outputs
No output glitches on power-up
Supports hot insertion
Low standby current
Operating power supply voltage range of 2.3 V to 5.5 V
5.5 V tolerant inputs
-40 Cel to +85 Cel operation
ESD protection exceeds 2000 V HBM per JESD22-A114, 200 V MM per JESD22-A115 and 1000 V CDM per JESD22-C101
Latch-up testing is done to JEDEC Standard JESD78 which exceeds 100 mA
Packages offered: TSSOP28, HVQFN28
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Features
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Products/packages
Hide
Type number
Orderable part number
Ordering code (12NC)
Product status
Package
Packing
Marking
ECCN
PCA9685BS
PCA9685BS,118
9352 870 58118
Development
SOT788-1
(HVQFN28)
Reel Pack, SMD, 13"
Standard Marking
PCA9685PW
PCA9685PW,112
9352 851 29112
Volume production
SOT361-1
(TSSOP28)
Tube
Standard Marking
PCA9685PW
PCA9685PW,118
9352 851 29118
Volume production
SOT361-1
(TSSOP28)
Reel Pack, SMD, 13"
Standard Marking
PCA9685PW/Q900
PCA9685PW/Q900,118
9352 898 02118
Development
SOT361-1
(TSSOP28)
Reel Pack, SMD, 13"
Standard Marking
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Quality/reliability/chemical content
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Type number
Orderable part number
Chemical content
RoHS
Leadfree conversion date
RHF
IFR (FIT)
MTBF (hours)
MSL
PCA9685BS
PCA9685BS,118
PCA9685BS
Always Pb-free
Page 2 of 4
PCA9685 - 16-channel, 12-bit PWM Fm+ I2C-bus LED controller from NXP Semiconductors
03-Nov-2009
http://www.nxp.com/
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