Smartcoder is a R/D (Resolver to Digital) conversion IC, which converts resolver signals into digital absolute position angle signals.
It is usable in a wide range of applications, including vehicle/robot/machine tool related applications, in combination with brushless resolvers such as our Smartsyn and Singlsyn.
Features of AU6805 Series
・Adopts R/D conversion based on a proven digital tracking system
・Low cost, small size and light weight
・Satisfying fail check functions
(1) Abnormality detection
Capable of detecting abnormal resolver signals, breaking of resolver signals, abnormal R/D conversion and abnormally high temperature of a IC
(2) Built in self test
Conducts a self test on R/D conversion and abnormality detection
・Realization of system/cost reduction based on all-in-one concepts
(1) Integrated with an excttation amplifier (Output current: 1 OmA rms/20mA rms)
(2) Integrated with an operation clock
・Enhancement of functions corresponding to various applications
(1) Requires no phase adjustment to excitation signals (Allowable range: Within土45゜）
(2) Variable setting of controlling bandwidth (fBW) (Selectable from 7 types of fixed values or automatic adjustment)
(3) Capable of digital conversion of linear hall IC signals and R/D parallel connections to resolvers
(4) Output redundancy (Triple redundancy-Parallel/Pulse/Serial output)
Features of AU6802N1
・Wide operating temperature range : -40∼+125°C
・Real time output (High tracking rate: 240,000min-1 for 10 bit resolution)
・Single power supply of DC5V (Integrated oscillator for exciting resolver: 10/20kHz)
・Small size and light weight (10×10mm,Pin interval : 0.65mm, 52pins TQFP, Mass.0.3gram)
・Built-in test (Abnormality detection) function
・Pulse / Parallel / Bus serial (Selectable)
・Resolution of 10/12 bit (Selectable)
・Single power supply of DC5V (Integrated oscillator for exciting resolver: 10/20 kHz)
・Capable to set the number of poles for UVW (Selectable from X1, 2, 3, 4)
・Clock input (20MHz) : External CLK input / Crystal resonator / Ceramic resonator (Selectable)
Specifications
Smartcoder AU6805 Series
| Resolution | 4,096（＝212） |
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| Tracking rate | 240,000min-1（ When fBW is fixed.) |
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| Convers1on accuracy | ±4 LSB |
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| Max. angular acceleration | 3,000,000 rad／sec2（When fBW is automatic adjustment.) |
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| Settling time | 1.5ms(When input step is 180゜，and fBW is automatic adjustment.) |
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| Output response | ±0.2°／10,000min-1 |
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| Output form | 12bit binary code Positive logic parallel+ A,B,Z + Serial 1/F |
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| Power requirement | +5V±10% (45mA: When the excitation amplifier is set at 10mA rms.) |
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| Excitation power supply | Integrated with a constant current control method excitation amplifier (10mArms / 20mArms) |
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| Outline | 48pin LQFP（7×7）、Pin to pin: 0.5mm |
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| Operating temperature | -40～+125℃ |
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Smartcoder AU6802N1
| Output form | Binary code parallel 10/12 bit bus compatible, positive logic |
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| Resolution | 1,024(210) | 4,096(212) |
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| Max Angular velocity | 240,000min-1 | 60,000min-1 |
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| Conversion accuracy | ±2 LSB | ±4 LSB |
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Settling time
(For step input of 180°
in electric angle) | 1msTyp.(ACMD="H") | 2.5msTyp.(ACMD="H") |
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Response
(As output response delay
in electric angle) | ±0.2°Max/10,000min-1 | ±0.4°Max/10,000min-1 |
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| 2 Phase pulse signal(A,B) | 256C/T | 1,024C/T |
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| Power supply voltage | DC5V±5% 45mA Max.(30mA Typ.) |
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| Operating Temperature | -40∼+125℃ |
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| Storage temperature | -65∼+150℃ |
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| Humidity | 90%RH Max. |
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| Mass | 1g Max. |
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