HV528
16-Channel Serial to Parallel Converter
with High Voltage Backplane Driver and Push-Pull Outputs
Features
►
►
►
►
►
►
HVCMOS
®
technology
Output voltage up to +200V
Shift register speed 500kHz @ V
DD
= 1.7V
16 high voltage outputs
High voltage backplane driver
CMOS input levels
General Description
The HV528 is a 200V, 16-channel serial to parallel converter.
The high voltage outputs and the backplane driver are
designed to source and sink ±1.0mA.
The high voltage outputs are controlled by a 16-bit serial shift
register, followed by a 16-bit latch. Data is shifted through
the shift registers during the low to high clock transition. A
data output buffer is provided for cascading multiple devices.
Data is transferred to the 16-bit latch when a logic level low is
applied to the LE input. Data is stored in the latch when LE is
high. Output states are controlled by the data in the latch and
by the POL pin.
Applications
►
Multiple segment EL display
►
Piezoelectric transducer driver
►
Braille driver
Typical Application Circuit
Low Voltage
Power Supply
High Voltage
VBIAS Power Supply
HV
OUT
1
DIN
CLK
Micro
Processor
LE
Low
Voltage
16
High
Voltage
Level
Translators
&
Push-Pull
Output
EL
Segment
Panel
POL
DOUT
Shift
Register
Latches
HV
OUT
16
BP
Supertex HV528
to DIN of another HV528 for cascading (if needed)
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
●
Tel: 408-222-8888
●
www.supertex.com
HV528
Ordering Information
Package Option
Device
5.00x5.00mm body
1.00mm height (max)
0.50mm pitch
Pin Configuration
32
1
32-Lead QFN
HV528
HV528K6-G
-G indicates package is RoHS compliant (‘Green’)
Absolute Maximum Ratings
Parameter
Logic supply, V
DD
High voltage supply, V
PP
Translator supply voltage, V
BIAS
Logic input levels
Operating junction temperature
Storage temperature range
Value
-0.5V to 7.0V
215V
-0.5V to 7.0V
-0.5V to V
DD
+0.5V
-40°C to +125°C
-65°C to +150°C
(top view)
(Bottom side exposed center pad is at V
PP
potential)
32-Lead QFN (K6)
Product Marking
HV528
LLLLLL
YYWW
AAACCC
L = Lot Number
YY = Year Sealed
WW = Week Sealed
A = Assembler ID
C = Country of Origin
= “Green” Packaging
Absolute Maximum Ratings are those values beyond which damage to the
device may occur. Functional operation under these conditions is not implied.
Continuous operation of the device at the absolute rating level may affect
device reliability. All voltages are referenced to device ground.
32-Lead QFN (K6)
Max
5.5
6.6
200
V
DD
+70
Units
V
V
V
V
V
°C
Conditions
---
---
---
---
---
---
Operating Supply Voltages and Conditions
Sym
V
DD
V
BIAS
V
PP
V
IH
V
IL
T
A
Parameter
Logic supply voltage
Level translator supply voltage
Positive high voltage supply
High-level input voltage
Low-level input voltage
Operating temperature
Min
1.7
5.4
50
0.9V
DD
0
0
Typ
3.0
-
-
-
-
-
Notes:
1. External ground noise reduction circuit will be provided by design upon characterization.
Power-up sequence should be the following*:
1. Apply ground
2. Apply V
DD
3. Set all inputs (D
IN
, CLK, LE , POL) to a known state
4. Apply V
BIAS
5. Apply V
PP
Power-down sequence should be the reverse of the above
* This power up sequence requires an external high voltage diode between V
DD
and V
PP
. Without the diode, power up V
PP
to a V
DD
level first to bias
the silicon substrate. After all other signals are powered, finish raising the V
PP
to its final level.
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
●
Tel: 408-222-8888
●
www.supertex.com
2
HV528
DC Electrical Characteristics
Sym
I
DD
I
DDQ
I
BIAS
I
BIASQ
I
PPQ
I
IH
I
IL
V
OH
Parameter
V
DD
supply current
Quiescent V
DD
supply current
V
BIAS
supply current
Quiescent V
BIAS
current
Quiescent V
PP
supply current
High-level logic input current
Low-level logic input current
High level output
HV
OUT
& BP
D
OUT
V
OL
C
DIN
C
DOUT
Low level output
HV
OUT
& BP
D
OUT
(Over operating supply voltages and temperature, unless otherwise noted)
Min
-
-
-
-
-
-
-
V
PP
-30V
V
PP
-16V
V
DD
-1.0V
-
-
-
-
Typ
-
-
-
-
-
-
-
-
-
-
-
-
-
-
Max
1.0
10
100
10
100
10
-10
-
-
-
6.0
1.0
10
10
Units
mA
µA
µA
µA
µA
µA
µA
V
V
V
V
V
pF
pF
Conditions
f
CLK
= 500kHz
All logic inputs = V
DD
or 0V
All HV
OUTS
switching at 1.0kHz.
Peak I
BIAS
= 200mA with all channels
switching
No HV
OUT
switching
V
PP
= 200V, outputs are static
V
IH
= V
DD
V
IL
= 0V
IHV
OUT
= -1.0mA, 50V ≤ V
PP
≤ 100V
IHV
OUT
= -1.0mA, 100V < V
PP
≤ 200V
ID
OUT
= -1.0mA
IHV
OUT
= 1.0mA
ID
OUT
= 1.0mA
---
---
Logic input capacitance
Logic output capacitance
AC Electrical Characteristics
(Over operating supply voltages and temperature, unless otherwise noted)
Sym
f
CLK
t
C
t
SU
t
H
t
CLE
t
WLE
t
DD
t
PHV
t
OR
t
OF
t
OC
Parameter
Clock frequency
Clock high / low pulse width
Data setup time before clock rises
Data hold time after clock rises
LE from CLK setup time
LE pulse width
Clock negative edge to D
OUT
delay
Delay time from inputs for
HV
OUT
/ BP to start rise/fall
HV
OUTPUT
/ BP rise time
HV
OUTPUT
/ BP fall time
Width of POL pulses
Min
0
1.0
50
50
15
100
-
-
-
-
t
PHV
+ t
OR
/t
OF
Typ
-
-
-
-
-
-
-
-
-
-
-
Max
500
-
-
-
-
-
150
500
300
300
-
Units
kHz
µs
ns
ns
ns
ns
ns
ns
µs
µs
µs
Conditions
---
---
---
---
---
---
C
LDOUT
= 50pF,
(C
LDOUT
includes C
DIN
and C
DOUT
)
V
PP
= 200V, V
BIAS
= 5.4V
C
L
= 1500pF, V
PP
= 200V
C
L
= 1500pF, V
BIAS
= 5.4V, V
PP
= 200V
---
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
●
Tel: 408-222-8888
●
www.supertex.com
3
HV528
Input and Output Equivalent Circuits
VDD
VDD
VPP
Input
Data Out
VBIAS
HV
OUT
GND
GND
Logic Inputs
HVGND
Logic Data Output
High Voltage Outputs
The V
BIAS
supply operates from 5.4 to 6.6V. It is the gate
drive voltage for all of the output N-channel MOSFETs. This
allows the output peak current sink to be set by varying the
V
BIAS
voltage. A higher V
BIAS
voltage will increase the current
sinking capability.
V
BIAS
SUPPLY
The operating V
DD
range is 1.7 to 5.5V. A plot showing the
typical characteristics of I
SINK
vs V
BIAS
is shown below.
Typical HV
OUT
I
SINK
vs V
BIAS
(V
PP
= 200V, C
LOAD
= 1.0nF)
20
18
I
SINK
(mA)
16
14
12
10
5.0
5.5
6.0
6.5
V
BIAS
(V)
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
●
Tel: 408-222-8888
●
www.supertex.com
4
HV528
Switching Waveforms
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
●
Tel: 408-222-8888
●
www.supertex.com
5
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