參數(shù)資料
型號(hào): UPD16879GS-BGG
廠商: NEC Corp.
英文描述: MONOLITHIC QUAD H BRIDGE DRIVER CIRCUIT
中文描述: 單片四H橋驅(qū)動(dòng)電路
文件頁數(shù): 4/32頁
文件大?。?/td> 199K
代理商: UPD16879GS-BGG
Data Sheet S14188EJ1V0DS00
4
μ
PD16879
Fig 1. Delay Time of Serial Data
Ignored because LATCH is at low level
104 clocks (8 bits
×
13 bytes)
Ignored because LATCH is at low level
t
(VD-LATCH)
t
(SCLK-LATCH)
t
(SCLK-LATCH)
t
(SCLK-LATCH)
t
setup
t
hold
50%
50%
50%
D1
D2
D3
LATCH
SDATA
SCLK
LATCH
SCLK
V
D
V
D
Table 1. Chopping Frequency (3rd byte D5 to D0 bit data, f
CLK
= 4.5 MHz) Typical Value
Input data
D5 to D0 bit
001000
001001
001010
001011
001100
001101
001110
001111
010000
010001
010010
010011
010100
010101
010110
010111
011000
011001
011010
011011
011100
Chopping frequency
(kHz)
35.71
40.18
45.00
50.00
53.57
59.21
62.50
68.18
72.58
77.59
80.36
86.54
90.00
93.75
97.83
102.27
107.14
112.50
118.42
118.42
125.00
Input data
D5 to D0 bit
011101
011110
011111
100000
100001
100010
100011
100100
100101
100110
100111
101000
101001
101010
101011
101100
101101
101110
101111
110000
Chopping frequency
(kHz)
132.35
132.35
140.63
140.63
150.00
150.00
160.71
160.71
160.71
173.08
173.08
173.08
187.50
187.50
187.50
204.55
204.55
204.55
204.55
225.00
Note
When data are less than 7 (000111), PWM chopping doesn’t do it, and output pulse doesn’t occur.
When data are beyond 49, PWM chopping frequency becomes a 225 kHz fixation.
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