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參數(shù)資料
| 型號： | MAX6853AEE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 顯示驅(qū)動器 |
| 英文描述： | 2-Wire Interfaced, 5 x 7 Matrix Vacuum-Fluorescent Display Controller |
| 中文描述： | VACUUM FLUOR DISPLAY DRIVER, PDSO16 |
| 封裝： | 0.150 INCH, 0.25 MM PITCH, MO-137, QSOP-16 |
| 文件頁數(shù)： | 34/35頁 |
| 文件大?。?/td> | 489K |
| 代理商： | MAX6853AEE |
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MAX6853
2-Wire Interfaced, 5
7 Matrix Vacuum-
Fluorescent Display Controller
8
_______________________________________________________________________________________
blink. The DP function does not have blink capability.
Instead, the DP segments on the display are routed
(using the output map) to the cursor function. In this case,
the DP segments are controlled using the cursor register.
The output of the controller is a 4-wire serial stream that
interfaces to industry-standard, shift-register, high-volt-
age grid/anode VFD tube drivers (Figure 4). This inter-
face uses three outputs to transfer and latch grid and
anode data into the tube drivers, and a fourth output
that enables/disables the tube driver outputs (Figure 5).
The enable/disable control is modulated by the
MAX6853 for both PWM intensity control and interdigit
blanking, and disables the tube driver in shutdown. The
controller multiplexes the display by enabling each grid
of the VFD in turn for 100s (OSC = 4MHz) with the cor-
rect segment (anode) data. The data for the next grid is
transferred to the tube drivers during the display time of
the current grid.
The controller uses an internal output map to match any
tube-driver’s shift-register grid/anode order, and is
therefore compatible with all VFD internal chip-in-glass
or external tube drivers.
The MAX6853 provides five high-current output ports,
which can be configured for a variety of functions:
The PUMP output can be configured as either an
80kHz (OSC = 4MHz) clock intended for DC-to-DC
converter use or a general-purpose logic output.
The PHASE1 and PHASE2 outputs can be individually
configured as either 10kHz PWM outputs (OSC =
4MHz) intended for filament driving, blink status out-
puts, or general-purpose logic outputs.
The PORT0 and PORT1 outputs can be individually con-
figured as either 625Hz, 1250Hz, or 2500Hz clocks (OSC
= 4MHz) intended for buzzer driving, blink or shutdown
status outputs, or general-purpose logic outputs.
Display Modes
The MAX6853 has two display modes (Table 1), select-
ed by the M bit in the configuration register (Table 23).
The display modes trade the maximum allowable num-
MAX6853
VFCLK
VFDOUT
VFLOAD
VFBLANK
PORT0
SDA
V+
3.3V
SCL
AD0
PORT1
SDA
SCL
MICROCONTROLLER
GND
VFD TUBE
DRIVER
PIEZO
SOUNDER
GRID/ANODE
DRIVERS
VFD TUBE
AC FILAMENT
SUPPLY FROM
MAINS
TRANSFORMER
ZENER
DIODE BIAS
115V
5V
Figure 4. Connection of the MAX6853 to VFD Driver and VFD Tube
SERIAL-TO-PARALLEL SHIFT REGISTER
LATCHES
VFCLK
VFDIN
VFLOAD
VFBLANK
O0
O1
O2
On-2
On-1
On
VFD TUBE DRIVER
VFD TUBE SIMPLIFIED
Figure 5. Block Diagram of VFD Tube Driver and VFD Tube
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX6853AEE+T | 功能描述:VFD驅(qū)動器 RoHS:否 制造商:Maxim Integrated 工作電源電壓:8 V to 76 V, 3 V to 5.5 V 電源電流:0.9 mA, 700 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SOIC-20 封裝:Tube |
| MAX6853AEE-T | 功能描述:VFD驅(qū)動器 RoHS:否 制造商:Maxim Integrated 工作電源電壓:8 V to 76 V, 3 V to 5.5 V 電源電流:0.9 mA, 700 uA 最大工作溫度:+ 125 C 封裝 / 箱體:SOIC-20 封裝:Tube |
| MAX6854UK16D1+T | 功能描述:監(jiān)控電路 Single nPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6854UK16D1-T | 功能描述:監(jiān)控電路 RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
| MAX6854UK16D2+T | 功能描述:監(jiān)控電路 Single nPower Supervisor RoHS:否 制造商:STMicroelectronics 監(jiān)測電壓數(shù): 監(jiān)測電壓: 欠電壓閾值: 過電壓閾值: 輸出類型:Active Low, Open Drain 人工復(fù)位:Resettable 監(jiān)視器:No Watchdog 電池備用開關(guān):No Backup 上電復(fù)位延遲（典型值）:10 s 電源電壓-最大:5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:UDFN-6 封裝:Reel |
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