Datasheet STP04CM05 Datasheet (ST)

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Page 1

4-bit constant current power-LED sink driver

Features

■ 4 constant current output channels

■ Adjustable output current through one external

resistor

■ Can be driven by a 3.3 V microcontroller

■ Serial data IN/parallel data OUT

■ Output current: 80-400 mA

■ 20 V of output driving capability

■ 30 MHz clock frequency

■ UVLO (under voltage lockout) and

POR (power ON reset)

■ TSD, thermal shutdown, output off when

junction temperature exceeds limit

■ Operating free-air temperature range -40° to

125 °C

■ ESD protection 2.5 kV HBM, 200 V MM

■ Available in high thermal TSSOP exposed pad.

STP04CM05

TSSOP16

(Exposed pad)

Description

The STP04CM05 is a high-power LED driver and 4-bit shift register designed for Power-LED applications.

The STP04CM05 contains a 4-bit serial IN, parallel OUT shift register that feeds a 4-bit D-type storage register. In the output stage, four regulated current sources were designed to provide 80-400 mA constant current to drive high power LEDs.

The STP04CM05 guarantees 20 V output driving capability, allowing users to connect more LEDs in series. The high clock frequency, 30 MHz, also satisfies the system requirements which include high volume data transmission.

SO-14

The STP04CM05 is well suited for very high brightness displays and special lighting applications.

The STP04CM05 is offered in SO-14 and TSSOP16 exposed pad packages.

Table 1. Device summary

Order codes Package Packaging

STP04CM05MTR SO-14 (tape and reel) 2500 parts per reel

STP04CM05XTTR TSSOP16 exposed-pad (tape and reel) 2500 parts per reel

June 2010 Doc ID 14191 Rev 5 1/23

www.st.com

Page 2

Contents STP04CM05

Contents

1 Internal schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

2 Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.1 Pin connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

2.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3 Maximum rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.1 Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

3.2 Recommended operating conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

4 Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

5 Equivalent circuit of inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . . . 9

6 Timing diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

7 Test circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

8 Typical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

9 Package mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

10 Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

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STP04CM05 Internal schematic

1 Internal schematic

Figure 1. Block diagram

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Pin settings STP04CM05

2 Pin settings

2.1 Pin connection

Figure 2. Pin connection

SO-14

TSSOP16 (exposed pad)

Note: The exposed pad should be electrically connected to a metal land electrically isolated or

connected to ground.

2.2 Pin description

Table 2. Pin description

SO-14 pin N° TSSOP16 pin N° Symbol Name and function

1 1, 2 GND Ground terminal

2 3 SDI Serial data input terminal

3 4 CLK Clock input terminal

4 5 LE Latch input terminal

5 6 OUT 0 Output terminal

6 7 OUT 1 Output terminal

7, 8 8, 9, 12 N.C. Not connected

9 10 OUT 2 Output terminal

10 11 OUT 3 Output terminal

11 13 OE

12 14 SDO Serial data out terminal

13 15 R-EXT Constant current programming

Output enable input terminal (active low)

14 16 V

4/23 Doc ID 14191 Rev 5

5 V supply voltage terminal

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STP04CM05 Maximum rating

3 Maximum rating

Stressing the device above the rating listed in the “absolute maximum ratings” table may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other conditions above those indicated in the operating sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.

Table 3. Absolute maximum ratings

Symbol Parameter Value Unit

GND

CLK

OPR

Supply voltage 0 to 7 V

Output voltage -0.5 to 20 V

Output current 500 mA

Input voltage -0.4 to VDD+0.4 V

GND terminal current 2000 mA

Clock frequency 50 MHz

Operating temperature range -40 to +125 °C

Storage temperature range -55 to +150 °C

STG

3.1 Thermal data

Table 4. Thermal data

Symbol Parameter SO-14 TSSOP16 Unit

thJA

1. 1 W of dissipated power, mounted on SM PCB1 SGS board

2. Using the PCB multi-layer JEDEC Standard test boards

Thermal resistance junction-ambient 105

(1)

37.5

(2)

°C/W

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Maximum rating STP04CM05

3.2 Recommended operating conditions

Table 5. Recommended operating conditions

Symbol Parameter Test conditions Min. Typ. Max. Unit

wEN

wLAT

wCLK

SETUP(D)

HOLD(D)

SETUP(L)

HOLD(E)

CLK

OPR

1. If multiple devices are cascaded, it may not be possible achieve the maximum data transfer. Please consider the timing conditions carefully.

Supply voltage 3.3 5.0 5.5 V

Output voltage 19 V

Output current OUTn V

= 5 V 80 400 mA

Output current Serial-OUT +1 mA

Output current Serial-OUT -1 mA

Input voltage 0.7V

Input voltage -0.3 0.3V

= 5 V,

IO = 350 mA

80 50

VDD+0.3 V

OE pulse width

= 3.3 V,

IO = 350 mA

LE pulse width

250 150

84 ns

CLK pulse width 8.5 7.5 ns

Setup time for DATA 8.5 7.5 ns

= 3.0 to 3.6 V

Hold time for DATA 8.5 7.5 ns

Setup time for LATCH 8.5 7.0 ns

Hold time for ENABLE 8.5 7.0 ns

Clock frequency Cascade operation

Operating temperature range

(1)

-40 +125 °C

30 MHz

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STP04CM05 Electrical characteristics

4 Electrical characteristics

TA = 25 °C, unless otherwise specified.

Table 6. Current accuracy

Current accuracy

Output voltage

Between bits Between ICs

≥ 1.4 V Typ. ± 1% ± 6% 80 to 400 mA

Table 7. Electrical characteristics (V

= 3.3 to 5 V)

Symbol Parameter Test conditions Min. Typ. Max. Unit

Output current

OL1

OL2

ΔI

OL1

ΔI

OL2

SIN(up)

SIN(down)

DD(OFF1)

DD(OFF2)

DD(OFF3)

Input voltage high level 0.7 V

Input voltage low level GND 0.3 V

Output leakage current VOH = 19 V 10 μA

Output voltage (Serial-OUT)

Output current

Output current error

= 1 mA 0.4 V

= -1 mA VDD-0.4V V

= 0.3 VR

VO = 1.2 VR

VO = 0.3 VR IO = 80 mA

= 980 Ω 75.2 80 84.8 mA

EXT

= 190 Ω 376 400 424 mA

EXT

= 980 Ω

EXT

‘11.5%

between bit (all output ON)

VO = 1.2 VR

= 400 mA

EXT

= 190 Ω

11.5%

Pull-up resistor 150 300 600 kΩ

Pull-down resistor 100 200 400 kΩ

= OPEN

Supply current (OFF)

EXT

OUT 0 to 3 = OFF

= 980 Ω

EXT

OUT 0 to 3 = OFF

= 190 Ω

EXT

OUT 0 to 3 = OFF

11.5

3.8 6

14 18.5

DD(ON1)

DD(ON2)

Supply current (ON)

= 980 Ω

EXT

OUT 0 to 3 = ON

= 190 Ω

EXT

OUT 0 to 3 = ON

4.0 6.0

14.5 19

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Electrical characteristics STP04CM05

Table 8. Switching characteristics (V

= 3.3 to 5 V)

Symbol Parameter Test conditions Min. Typ. Max. Unit

= 3.3 V - 290 377

PLH1

PLH2

PLH3

PHL1

PHL2

PHL3

Propagation delay time, CLK-OUTn

Propagation delay time, LE-OUTn, /OE = L

Propagation delay time, /OE-OUTn, LE = H

Propagation delay time,

PLH

CLK-SDO

Propagation delay time, CLK-OUTn, LE = H,

= L

/OE

Propagation delay time,

-OUTn, /OE = L

Propagation delay time, /OE-OUTn, LE = H

Propagation delay time,

PHL

CLK-SDO

, LE = H, /OE = L

= 5.0 Ω

CL = 10 pF

= 350 mA

= 224 Ω

ext

= 3.0 V

Output rise time

10~90% of voltage

waveform

Output fall time

90~10% of voltage

OFF

waveform

(1)

VO = 5.0 V R

= 224 Ω

ext

CLK rise time

CLK fall time

1. In order to achieve high cascade data transfer, please consider tr/tf timings carefully.

= 5 V - 200 260

= 3.3 V - 200 260

= 5 V - 140 180

= 3.3 V - 240 310

= 5 V - 170 220

= 3.3 V - 25 35

= 5 V - 15 20

= 3.3 V - 49 64

= 5 V - 36 47

VDD = 3.3 V - 39 51

= 5 V - 26 34

= 3.3 V - 48 62

= 5 V - 32 42

= 3.3 V - 30 39

= 5 V - 19 25

VDD = 3.3 V - 880 1150

= 5 V - 616 800

VDD = 3.3 V - 18 24

= 5 V - 14 18

-5000ns

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STP04CM05 Equivalent circuit of inputs and outputs

5 Equivalent circuit of inputs and outputs

Figure 3. OE terminal

Figure 4. LE terminal

Figure 5. CLK, SDI terminal

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Equivalent circuit of inputs and outputs STP04CM05

Figure 6. SDO terminal

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Page 11

STP04CM05 Timing diagrams

6 Timing diagrams

Figure 7. Timing diagram

OFF

Note: 1 Latch and output enable are level sensitive and are not synchronized with rising-or-falling

edge of CLK signal.

2 When LE terminal is low level, the latch circuit hold previous set of data.

3 When LE terminal is high level, the latch circuit refresh new set of data from SDI chain.

4 When OE terminal is at low level, the output terminal - Out 0 to Out 03 respond to data in the

latch circuits, either ‘1’ for ON or ‘0’ for OFF.

5 When OE terminal is at high level, all output terminals will be switched OFF.

Doc ID 14191 Rev 5 11/23

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Timing diagrams STP04CM05

Figure 8. Clock, serial-in, serial-out

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STP04CM05 Timing diagrams

Figure 9. Clock, serial-in, latch, enable, outputs

Figure 10. Outputs

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Test circuit STP04CM05

7 Test circuit

Figure 11. DC characteristic

Figure 12. AC characteristic

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STP04CM05 Typical characteristics

8 Typical characteristics

Figure 13. Output current-R

1800

1600

1400

1200

1000

800

Rext (Ohm)

600

400

200

0 100 200 300 400 500 600

Figure 15. Output current vs ± ΔIOL(%)

1000

100

Io (mA)

Temp. = 25°C Vdd = 5.0V Vdrop = from 0.3V to 1.2V Iset = 50mA; 80m A; 100mA; 150mA; 350mA; 400m A;

Ouput Currnt (mA )

resistor Figure 14. Output current vs

EXT

dropout voltage

1400

1200

1000

Vdrop (mV)

800

600

400

200

Avg @ 3.3V

Avg @ 5.0V

Temp. = 25°C

Temp. = 25°C Vdd = 3.3V; 5.0V

Vdd = 3.3V; 5.0V

0 50 100150200250300350400450

Iset ( m A )

0 0.2 0.4 0.6 0.8

IoL %

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Typical characteristics STP04CM05

Figure 16. Four power-LED typ. application circuit

3.3 to 5V

0.3 to 1.4V

f = 0 to 100kHz

Note: V

Figure 17. t

will be determined by the VF of the LEDs

Condition: T

= 25 °C, Vdd = 5 V,VL = 3 V, R

tON

Ioutn

= 227 Ω

ext

Figure 18. t

Ioutn

OFF

tOFF

16/23 Doc ID 14191 Rev 5

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STP04CM05 Package mechanical data

9 Package mechanical data

In order to meet environmental requirements, ST offers these devices in different grades of ECOPACK specifications, grade definitions and product status are available at: www.st.com. ECOPACK

packages, depending on their level of environmental compliance. ECOPACK®

is an ST trademark.

Doc ID 14191 Rev 5 17/23

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Package mechanical data STP04CM05

Table 9. SO-14 mechanical data

mm. inch

Dim.

Min Typ Max Min Typ Max

A 1.75 0.068

a1 0.1 0.2 0.003 0.007

a2 1.65 0.064

b 0.35 0.46 0.013 0.018

b1 0.19 0.25 0.007 0.010

C 0.5 0.019

c1 45° (typ.)

D 8.55 8.75 0.336 0.344

E 5.8 6.2 0.228 0.244

e 1.27 0.050

e3 7.62 0.300

F 3.8 4.0 0.149 0.157

G 4.6 5.3 0.181 0.208

L 0.5 1.27 0.019 0.050

M 0.68 0.026

S 8° (max.)

Figure 19. Package dimensions

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STP04CM05 Package mechanical data

7419276A

Table 10. TSSOP16 exposed-pad mechanical data

mm.

Dim.

Min Typ Max

A 1.2

A1 0.15

A2 0.8 1 1.05

b 0.19 0.3

c 0.09 0.2

D 4.9 5 5.1

D1 2.7 3.0 3.3

E 6.2 6.4 6.6

E1 4.3 4.4 4.5

E2 2.7 3.0 3.3

e 0.65

K 0° 8°

L 0.45 0.6 0.75

Figure 20. TSSOP16 exposed-pad mechanical data

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Package mechanical data STP04CM05

Table 11. Tape and reel SO-14

mm. inch

Dim.

Min Typ Max Min Typ Max

A 330 12.992

C 12.8 13.2 0.504 0.519

D 20.2 0.795

N 60 2.362

T 22.4 0.882

Ao 6.4 6.6 0.252 0.260

Bo 9 9.2 0.354 0.362

Ko 2.1 2.3 0.082 0.090

Po 3.9 4.1 0.153 0.161

P 7.9 8.1 0.311 0.319

Figure 21. Tape and reel dimensions

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STP04CM05 Package mechanical data

Table 12. TSSOP16 tape and reel

mm. inch

Dim.

Min Typ Max Min Typ Max

A 330 12.992

C 12.8 13.2 0.504 0.519

D 20.2 0.795

N 60 2.362

T 22.4 0.882

Ao 6.7 6.9 0.264 0.272

Bo 5.3 5.5 0.209 0.217

Ko 1.6 1.8 0.063 0.071

Po 3.9 4.1 0.153 0.161

P 7.9 8.1 0.311 0.319

Figure 22. Tape and reel dimensions

Doc ID 14191 Rev 5 21/23

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Revision history STP04CM05

10 Revision history

Table 13. Document revision history

Date Revision Changes

26-Nov-2007 1 Initial release

16-Jan-2008 2

12-Mar-2008 3 Updated: Figure 8 on page 12.

23-Jun-2008 4 Updated: Table 1 on page 1, Figure 21 on page 20.

07-Jun-2010 5 Updated: Note: on page 4, Table 10 on page 19.

Added: Figure 15 on page 15 and Figure 19 on page 17, Updated: Table 8 on page 8.

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STP04CM05

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