KA2822BD Fairchild Semiconductor, KA2822BD Datasheet - Page 3

• Manufacturer Part Number: KA2822BD
• Description: Motor / Motion / Ignition Controllers & Drivers BLDC Motor Driver 3 Phase
• Manufacturer: Fairchild Semiconductor
• Type: 3 Phase BLDC Motor Driverr

Specifications of KA2822BD

• Operating Supply Voltage: 3 V to 3.6 V
• Supply Current: 7 A
• Mounting Style: SMD/SMT
• Package / Case: SSOPH-28
• Operating Temperature: - 55 C to + 125 C
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Pin Definitions
Pin Number
FIN
10
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
11
1
2
3
4
5
6
7
8
9
CHARGE PUMP OUTPUT
PHASE COMPENSATION
CURRENT DETECTION2
CURRENT DETECTION1
VOLTAGE REGULATOR
INDEX PULSE WIDTH
W PHASE OUTPUT
U PHASE OUTPUT
V PHASE OUTPUT
POWER GROUND
SIGNAL GROUND
FG ZERO CROSS
INDEX OUTPUT
INDEX BURST
RPM SELECT
FG INPUT (+)
FG OUTPUT
U INPUT ( )
U INPUT (+)
U INPUT (+)
V INPUT ( )
OSC INPUT
HALL BIAS
FG_INPUT
Pin Name
AGC
V
NC
NC
CE
CC
I/O
O
O
O
O
O
O
O
O
O
O
-
-
-
-
-
I
I
I
I
I
I
I
I
I
I
I
I
I
I
3
Automatic gain control input pin
Index pulse width detection (1.1V) pin
Voltage (2.2V) generator output pin
Index pulse width detection (1.4V) pin
Index pulse output pin
Chip enable (Active low)
FG signal zero cross detection pin
RPM selection pin (L: 300, H: 360rpm)
Charge pump output pin
No connection
Phase compensation cap. connection pin
5V power supply pin
Over current detection pin
Negative input pin of U phase amp
No connection
W phase output pin
V phase output pin
U phase output pin
Negative input pin of V phase amp
Over current detection pin
Hall sensor bias input pin
Power ground
Negative input pin FG signal amp.
Signal ground
FG signal output pin
1MHz oscillation input pin
Positive input pin of U phase amp
Positive input pin of V phase amp
Positive input pin of FG signal amp
Pin Function Description
KA2822D