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PDF UBA2030T Data sheet ( Hoja de datos )
| Número de pieza | UBA2030T | |
| Descripción | Full bridge driver IC | |
| Fabricantes | NXP Semiconductors | |
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INTEGRATED CIRCUITS
DATA SHEET
UBA2030T
Full bridge driver IC
Preliminary specification
Supersedes data of 1997 Sep 16
File under Integrated Circuits, IC11
1999 Aug 10
1 page  
Philips Semiconductors
Full bridge driver IC
Preliminary specification
UBA2030T
PINNING
SYMBOL
GLR
PGND
GLL
n.c.
RC
n.c.
BE
BER
n.c.
FSL
GHL
SHL
SHR
GHR
FSR
n.c.
n.c.
HV
n.c.
EXO
SD
DTC
VDD
SGND
PIN DESCRIPTION
1 gate of lower right MOSFET
2 power ground for sources of lower
left and right MOSFETs
3 gate of lower left MOSFET
4 not connected
5 RC input for internal oscillator
6 not connected
7 bridge enable control input
8 bridge enable reference input
9 not connected
10 floating supply voltage left output
11 gate of higher left MOSFET
12 source of higher left MOSFET
13 source of higher right MOSFET
14 gate of higher right MOSFET
15 floating supply voltage right output
16 not connected
17 not connected
18 high voltage supply input
19 not connected
20 external oscillator input
21 shut-down input
22 ‘dead time’ control input
23 internal (low voltage) supply
24 signal ground
handbook, halfpage
GLR 1
24 SGND
PGND 2
GLL 3
23 VDD
22 DTC
n.c. 4
21 SD
RC 5
20 EXO
n.c. 6
19 n.c.
UBA2030T
BE 7
18 HV
BER 8
17 n.c.
n.c. 9
16 n.c.
FSL 10
15 FSR
GHL 11
14 GHR
SHL 12
13 SHR
MGK589
Fig.2 Pin configuration.
1999 Aug 10
5
5 Page 
Philips Semiconductors
Full bridge driver IC
Preliminary specification
UBA2030T
SYMBOL
PARAMETER
CONDITIONS
MIN. TYP.
Shut-down; note 2
VIH
HIGH-level input voltage
shut-down active; -∆----V∆----St---D-- > 5 V/ms 4.5
−
VIL
LOW-level input voltage
shut-down not active;
-∆----V∆----St---D-- > 5 V/ms
0−
Ii(SD)
input current
0−
Notes
1. The current into pin HV is internally limited to 15 mA at Tj = 25 °C and to 10 mA at Tj = 150 °C.
2. VDD = 15 V.
3. The bridge frequency can be calculated using Equation (1).
4. The ‘dead time’ is adjusted using an external resistor; see Equation (2).
5. This function is disabled when using an external oscillator.
6. IIH < 2.1 mA when the condition is VBE − VBER = 5 V at Tj = 150 °C.
MAX.
VDD
0.5
50
UNIT
V
V
µA
Design equations
BRIDGE COMMUTATION FREQUENCY
The internal ÷2 circuit requires the frequency of the
internal or external oscillator to be twice the bridge
frequency. When the internal oscillator is used, the bridge
frequency can be adjusted using an external resistor and
capacitor:
fbridge = 2----.--8----×-----R-----o-1-s---c---×-----C-----o--s--c-
(1)
Where:
Rosc(min) = 200 kΩ
Rosc(max) = 2 MΩ (with low leakage current).
DEAD TIME
RDT = 270 × tdead – 70
(2)
The ‘dead time’ (tdead) can be adjusted using an external
resistor (RDT) connected between DTC and SGND:
Units are kΩ for RDT and µs for tdead.
Where:
RDT(min) = 50 kΩ
RDT(max) = 1 MΩ.
1999 Aug 10
11
11 Page | ||
| Páginas | Total 20 Páginas | |
| PDF Descargar | [ Datasheet UBA2030T.PDF ] | |
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