KA2822BD Fairchild Semiconductor, KA2822BD Datasheet - Page 4

• 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

KA2822D
Internal Block Diagram
VOLTAGE REG.
INDEX BURST
FG INPUT(+)
FG INPUT( )
FG OUTPUT
U INPUT (+)
V INPUT (+)
OSC INPUT
U INPUT( )
V INPUT( )
HALL BIAS
FG ZERO
CROSS
AGC
CE
19
18
24
25
27
28
10
13
2
7
1
9
4
5
Start-up
CE
+
U_AMP
+
V_AMP
+
2.2V
FG_AMP
AGC
OSC
14
NC
1.3V
Timing
Detectpr
16
V
CC
Rpm_select
11_divider
Hall
Zero-cross
RPM
SELECT
11
FG
Zero-cross
Burst_time
Circuit
Output
Control
4
Speed
Control
GROUND
CURRENT
DETECTION2
SIGNAL
8
17
BUF_AMP
CON_AMP
CURRENT
DETECTION1
Pulse_width
Adjustment
FIN
U_OUT
V_OUT
W_OUT
26
TSD
Charge
Pump
+
+
20
NC
0.69V
0.24V
23
22
21
15
12
6
3
U PHASE
OUTPUT
U PHASE
OUTPUT
W PHASE
OUTPUT
PHASE
COMPENSATION
INDEX
OUTPUT
INDEX PULSE
WIDTH
CHARGE
PUMP
OUTPUT