CMD9259
5-Channel Motor Driver IC
5. Loading Motor Speed Control
V
V
CC
CC
V
CC
(8V)
V
(8V)
CC
50k
50k
50k
50k
R
R
20
20
4V
4V
D
ꢀ 8ꢁꢂꢃꢄꢅꢂꢃꢆꢇAꢈꢅꢂꢆꢁꢂꢃꢄꢅꢂꢉꢆꢊꢋꢌꢍ!ꢂꢎꢆꢃꢆꢇꢂꢌꢏꢂꢃꢆꢆꢂꢉꢆꢐꢂꢐꢄꢅꢍꢂꢌꢃꢂꢌꢏꢂꢈꢏꢅꢋꢂꢐꢌꢃꢄꢂꢃꢄꢅꢂꢑꢌꢍꢂ5-7ꢂꢆꢑꢅꢍꢒꢂꢃꢄꢅꢍꢂꢌꢃꢂꢏꢄꢆꢈꢉꢋꢂꢈꢏꢅꢋꢂꢊꢏꢂꢃꢄꢅꢂꢊ1ꢆꢓꢅꢂꢋꢌꢊ!ꢇꢊꢎ,
ꢀ ꢔꢄꢅꢂꢋꢅꢏꢌꢇꢅꢋꢂꢃꢆꢇAꢈꢅꢂꢕꢆꢈꢉꢋꢂ1ꢅꢂꢆ1ꢃꢊꢌꢍꢅꢋꢂ1'ꢂꢏꢅꢉꢅꢕꢃꢌꢍ!ꢂꢃꢄꢅꢂꢊꢑꢑꢇꢆꢑꢇꢌꢊꢃꢅꢂꢇꢅꢏꢌꢏꢃꢆꢇꢂ&ꢂꢊꢏꢂꢏꢄꢆꢐꢍꢂꢌꢍꢂꢃꢄꢅꢂꢉꢅꢁꢃꢂꢋꢌꢊ!ꢇꢊꢎ,
ꢀ 8ꢁꢂꢌꢃꢂꢌꢏꢂꢍꢅꢕꢅꢏꢏꢊꢇ'ꢒꢂꢃꢄꢅꢂBꢅꢍꢅꢇꢂꢋꢌꢆꢋꢅꢂꢕꢊꢍꢂ1ꢅꢂꢈꢏꢅꢋꢂꢊꢏꢂꢌꢍꢂꢃꢄꢅꢂꢇꢌ!ꢄꢃꢂꢋꢌꢊ!ꢇꢊꢎ,
ꢀ ꢔꢄꢅꢂꢎꢊ#ꢌꢎꢈꢎꢂꢃꢆꢇAꢈꢅꢂꢌꢏꢂꢆ1ꢃꢊꢌꢍꢅꢋꢂꢐꢄꢅꢍꢂꢃꢄꢅꢂꢊꢑꢑꢉꢌꢅꢋꢂꢓꢆꢉꢃꢊ!ꢅꢂꢊꢃꢂꢑꢌꢍꢂ5-7ꢂꢌꢏꢂꢊ1ꢆꢈꢃꢂ),C ꢂꢖꢊꢃꢂ :C ꢗ,
ꢀꢀ
6. Driver (Except For Loading Motor Driver)
−∆I
Buffer
Buffer
+
AMP
VREF
(2.5V)
+
Level
shift
−
−∆V
+∆V
−
Q1
Q3
Q2
Q4
M
3
10
1
2
19 25
10k
10k
11
17
27
12
18
26
+∆I
4
24
+
100k
−
ꢀ ꢔꢄꢅꢂꢓꢆꢉꢃꢊ!ꢅꢒꢂ ꢒꢂꢌꢏꢂꢃꢄꢅꢂꢇꢅꢁꢅꢇꢅꢍꢕꢅꢂꢓꢆꢉꢃꢊ!ꢅꢂ!ꢌꢓꢅꢍꢂ1'ꢂꢃꢄꢅꢂ1ꢌꢊꢏꢂꢓꢆꢉꢃꢊ!ꢅꢂꢆꢁꢂꢃꢄꢅꢂꢑꢌꢍꢂ5-+,ꢂ
ꢁꢂꢃ
ꢀ ꢔꢄꢅꢂꢌꢍꢑꢈꢃꢂꢏꢌ!ꢍꢊꢉꢂꢃꢄꢇꢆꢈ!ꢄꢂꢃꢄꢅꢂꢑꢌꢍꢂ5+ꢂꢌꢏꢂꢊꢎꢑꢉꢌꢁꢌꢅꢋꢂ1'ꢂꢘ73;ꢘ73ꢂꢃꢌꢎꢅꢏꢂꢊꢍꢋꢂꢃꢄꢅꢍꢂꢁꢅꢋꢂꢃꢆꢂꢃꢄꢅꢂꢉꢅꢓꢅꢉꢂꢏꢄꢌꢁꢃ,
ꢀ ꢔꢄꢅꢂꢉꢅꢓꢅꢉꢂꢏꢄꢌꢁꢃꢂꢑꢇꢆꢋꢈꢕꢅꢏꢂꢃꢄꢅꢂꢕꢈꢇꢇꢅꢍꢃꢂꢋꢈꢅꢂꢃꢆꢂꢃꢄꢅꢂꢋꢌꢁꢁꢅꢇꢅꢍꢕꢅꢂ1ꢅꢃꢐꢅꢅꢍꢂꢃꢄꢅꢂꢌꢍꢑꢈꢃꢂꢏꢌ!ꢍꢊꢉꢂꢊꢍꢋꢂꢃꢄꢅꢂꢊꢇ1ꢌꢃꢇꢊꢇ'ꢂꢇꢅꢁꢅꢇꢅꢍꢕꢅꢂꢏꢌ!ꢍꢊꢉ,ꢂꢔꢄꢅꢂ
ꢕꢈꢇꢇꢅꢍꢃꢂꢑꢇꢆꢋꢈꢕꢅꢋꢂꢊꢏꢂ<∆8ꢂꢊꢍꢋꢂ−∆8ꢂꢌꢏꢂꢁꢅꢋꢂꢌꢍꢃꢆꢂꢃꢄꢅꢂꢋꢇꢌꢓꢅꢇꢂ1ꢈꢁꢁꢅꢇ,ꢂ
ꢀ ꢙꢇꢌꢓꢅꢇꢂꢚꢈꢁꢁꢅꢇꢂꢆꢑꢅꢇꢊꢃꢅꢏꢂꢃꢄꢅꢂꢑꢆꢐꢅꢇꢂꢔꢇꢊꢍꢏꢌꢏꢃꢆꢇꢂꢆꢁꢂꢃꢄꢅꢂꢆꢈꢃꢑꢈꢃꢂꢏꢃꢊ!ꢅꢂꢊꢕꢕꢆꢇꢋꢌꢍ!ꢂꢃꢆꢂꢃꢄꢅꢂꢏꢃꢊꢃꢅꢂꢆꢁꢂꢃꢄꢅꢂꢌꢍꢑꢈꢃꢂꢏꢌ!ꢍꢊꢉ,
ꢀ ꢔꢄꢅꢂꢆꢈꢃꢑꢈꢃꢂꢏꢃꢊ!ꢅꢂꢌꢏꢂꢃꢄꢅꢂꢚꢔDꢂꢙꢇꢌꢓꢅꢇꢂꢊꢍꢋꢂꢃꢄꢅꢂꢎꢆꢃꢆꢇꢂꢌꢏꢂꢇꢆꢃꢊꢃꢌꢍ!ꢂꢌꢍꢂꢁꢆꢇꢐꢊꢇꢋꢂꢋꢌꢇꢅꢕꢃꢌꢆꢍꢂ1'ꢂꢆꢑꢅꢇꢊꢃꢌꢍ!ꢂꢔ&ꢂ9ꢘꢂꢊꢍꢋꢂꢔ&ꢂ9=,ꢂ4ꢍꢂꢃꢄꢅꢂ
ꢆꢃꢄꢅꢇꢂꢄꢊꢍꢋꢒꢂꢌꢁꢂꢔ&ꢂ9-ꢂꢊꢍꢋꢂꢔ&ꢂ9+ꢂꢌꢏꢂꢆꢑꢅꢇꢊꢃꢌꢍ!ꢒꢂꢃꢄꢅꢂꢎꢆꢃꢆꢇꢂꢌꢏꢂꢇꢆꢃꢊꢃꢌꢍ!ꢂꢌꢍꢂꢇꢅꢓꢅꢇꢏꢅꢂꢋꢌꢇꢅꢕꢃꢌꢆꢍ,
ꢀ "ꢄꢅꢍꢂꢃꢄꢅꢂꢌꢍꢑꢈꢃꢂꢓꢆꢉꢃꢊ!ꢅꢂꢃꢄꢇꢆꢈ!ꢄꢂꢃꢄꢅꢂꢑꢌꢍꢂ5+ꢂꢌꢏꢂ1ꢅꢉꢆꢐꢂꢃꢄꢅꢂ
ꢀ "ꢄꢅꢍꢂꢃꢄꢅꢂꢌꢍꢑꢈꢃꢂꢓꢆꢉꢃꢊ!ꢅꢂꢃꢄꢇꢆꢈ!ꢄꢂꢃꢄꢅꢂꢑꢌꢍꢂ5+ꢂꢌꢏꢂꢊ1ꢆꢓꢅꢂꢃꢄꢅꢂ
ꢀ 8ꢁꢂꢌꢃꢂꢌꢏꢂꢋꢅꢏꢌꢇꢅꢋꢂꢃꢆꢂꢕꢄꢊꢍ!ꢅꢂꢃꢄꢅꢂ!ꢊꢌꢍꢒꢂꢃꢄꢅꢍꢂꢃꢄꢅꢂꢑꢌꢍꢂ5=ꢂꢆꢇꢂ5-=ꢂꢕꢊꢍꢂ1ꢅꢂꢈꢏꢅꢋ,
ꢒꢂꢃꢄꢅꢍꢂꢃꢄꢅꢂꢋꢌꢇꢅꢕꢃꢌꢆꢍꢂꢆꢁꢂꢃꢄꢅꢂꢎꢆꢃꢆꢇꢂꢌꢍꢂꢁꢆꢇꢐꢊꢇꢋꢂꢋꢌꢇꢅꢕꢃꢌꢆꢍ,
ꢁꢂꢃ
ꢒꢂꢃꢄꢅꢍꢂꢃꢄꢅꢂꢋꢌꢇꢅꢕꢃꢌꢆꢍꢂꢆꢁꢂꢃꢄꢅꢂꢎꢆꢃꢆꢇꢂꢌꢍꢂꢇꢅꢓꢅꢇꢏꢅꢂꢋꢌꢇꢅꢕꢃꢌꢆꢍ,
ꢁꢂꢃ
"ꢄꢅꢍꢂꢃꢄꢅꢂ1ꢌꢊꢏꢂꢓꢆꢉꢃꢊ!ꢅꢂꢆꢁꢂꢃꢄꢅꢂꢑꢌꢍꢂ5-+ꢂꢌꢏꢂ1ꢅꢉꢆꢐꢂꢘ,= ꢒꢂꢃꢄꢅꢍꢂꢃꢄꢅꢂꢆꢈꢃꢑꢈꢃꢂꢕꢌꢇꢕꢈꢌꢃꢂꢌꢏꢂꢎꢈꢃꢅꢋ,ꢂ
ꢂꢂꢂꢂꢂ2ꢅꢍꢕꢅꢂꢁꢆꢇꢂꢃꢄꢅꢂꢍꢆꢇꢎꢊꢉꢂꢆꢑꢅꢇꢊꢃꢌꢆꢍꢒꢂꢃꢄꢅꢂ1ꢌꢊꢏꢂꢓꢆꢉꢃꢊ!ꢅꢂꢏꢄꢆꢈꢉꢋꢂ1ꢅꢂꢈꢏꢅꢋꢂꢌꢍꢂꢘ,) *),ꢛ ,
* All specs and applications shown above subject to change without prior notice.
1F-5 NO.66 SEC.2 NAN-KAN RD ., LUCHU , TAOYUAN, TAIWAN
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Rev 1.0 Apr. 17, 2003
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