DRV590_16 Datasheet, PDF (2/18 Pages) Texas Instruments – 1.2-A HIGH-EFFICIENCY PWM POWER DRIVER

DRV590
SLOS365A – AUGUST 2001 – REVISED AUGUST 2002
AVAILABLE OPTIONS
PACKAGED DEVICES
TA
SOIC (DWP)^†
GQC^‡
– 40°C to 85°C
DRV590DWP
DRV590GQCR
† _{The PW package is available taped and reeled. To order a taped and}
reeled part, add the suffix R to the part number (e.g., DRV590PWR).
‡ _{The GQC package is only available taped and reeled.}
NC
IN+
IN–
SHUTDOWN
GAIN0
GAIN1
PV_DD
OUT+
NC
PGND
DWP PACKAGE
(TOP VIEW)
1
20
2
19
3
18
4
17
5
16
6
15
7
14
8
13
9
12
10
11
NC
AREF
AGND
COSC
ROSC
V_DD
PV_DD
OUT–
NC
PGND
MicroStar Juniort (GQC) Package
(TOP VIEW)
IN+
A2
IN–
A1
B1
SHUTDOWN
GAIN0 ^C1
GAIN1 ^D1
PVDD
PVDD
OUT+
E1
F1
G1
AGND
AREF
A6
A7
B7
NC
COSC
C7 _ROSC
D7
E7
F7
VDD
PVDD
PVDD
G7 _OUT–
PGND
(SIDE VIEW)
NC – No internal connection
NC – No internal connection
NOTE: The shaded terminals are used for thermal connections
to the ground plane.
Terminal Functions
NAME
AGND
AREF
COSC
GAIN0
GAIN1
IN–
IN+
NC
OUT–
OUT+
PGND
PVDD
ROSC
SHUTDOWN
VDD
TERMINAL
GQC NO.
A3–A5, B2–B6
C2–C6, D2–D4
A6
B7
C1
D1
A1
A2
A7
G7
G1
D5–D6, E2–E6
F2–F6, G2–G6
E1, E7, F1, F7
C7
DWP NO.
18
19
17
5
6
3
2
1, 9, 12, 20
13
8
10, 11
7, 14
16
B1
4
D7
15
I/O
DESCRIPTION
I Analog ground
O Connect capacitor to ground for AREF voltage filtering (1 µF).
I Connect capacitor to ground to set oscillation frequency (220 pF).
I Bit 0 of gain control (TTL logic level)
I Bit 1 of gain control (TTL logic level)
I Negative differential input
I Positive differential input
Not connected
O Negative BTL output
O Positive BTL output
I High-current grounds (2)
I High-current power supplies (2)
I Connect resistor to ground to set oscillation frequency (120 kΩ).
I
Places the amplifier in shutdown mode if a TTL logic low is placed on this terminal,
and normal operation if a TTL logic high is placed on this terminal.
I Analog power supply
2
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