TISP61089MDR-S

**TISP61089M** 

## **PROGRAMMABLE OVERVOLTAGE PROTECTOR DUAL FORWARD-CONDUCTING P-GATE THYRISTOR** 

## **TISP61089M SLIC Overvoltage Protector** POURNS ~~i~~ 

- **High 70 A 5/310 Capability Dual Voltage-Programmable Protector - Supports Voltages Down to -155 V** 

- **Low 5 mA max. Gate Triggering Current** 

## ~~**Agency Recognition**~~ 

**Description** UL File Number: E215609 

- **High 150 mA min. Holding Current** 

## ~~**Description**~~ 

The TISP61089M is a dual forward-conducting buffered p-gate over-voltage protector. It is designed to protect monolithic SLICs (Subscriber Line Interface Circuits) against overvoltages on the telephone line caused by lightning, a.c. power contact and induction. The TISP61089M limits voltages that exceed the SLIC supply rail voltage. The TISP61089M parameters are specified to allow equipment compliance with Bellcore GR-1089-CORE, ITU-T K.21 and K.45 and YD/T-950. 

The SLIC line driver section is typically powered from 0 V (ground) and a negative voltage in the region of -20 V to -155 V. The protector gate is connected to this negative supply. This references the protection (clipping) voltage to the negative supply voltage. As the protection voltage will then track the negative supply voltage, the overvoltage stress on the SLIC is minimized. 

Positive overvoltages are clipped to ground by diode forward conduction. Negative overvoltages are initially clipped close to the SLIC negative supply rail value. If sufficient current is available from the overvoltage, then the protector will crowbar into a low voltage on-state condition. As the overvoltage subsides, the high holding current of the crowbar helps prevent d.c. latchup. 

These monolithic protection devices are fabricated in ion-implanted planar vertical power structures for high reliability and in normal system operation they are virtually transparent. The TISP61089M buffered gate design reduces the loading on the SLIC supply during overvoltages caused by power cross and induction. The TISP61089M is available in an 8-pin plastic small-outline surface mount package. 

## ~~**8 Pin Small-Outline (D008) Package (Top View)**~~ 

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(Tip) K1 1 8 K1 (Tip)<br>(Gate) G 2 7 A (Ground)<br>NC 3 6 A (Ground)<br>(Ring) K2 4 5 K2 (Ring)<br>MD6XANB<br>NC - No internal connection<br>Terminal typical application names shown in<br>parenthesis<br>**----- End of picture text -----**<br>


## ~~**Device Symbol**~~ 

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K1 K1<br>A<br>G<br>A<br>K2 K2<br>**----- End of picture text -----**<br>


Terminals K1, K2 and A correspond to the alternative line designators of T, R and G or A, B and C. The negative protection voltage is controlled by the voltage, VGG, applied to the G terminal. 

SD6XAEBa 

## ~~**How to Order**~~ 

|**Device**|**Package**|**Carrier**|**Order As**|**Marking Code**|**Standard Quantity**|
|---|---|---|---|---|---|
|TI<br>SP61089M|8 Pin Small Outline (D008)|Embossed Tape Reeled|TISP61089MDR-S|1089M|2500|



SEPTEMBER 2013 – REVISED JULY 2019 

*RoHS Directive 2015/863, Mar 31, 2015 and Annex. 

Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

**WARNING  Cancer and Reproductive Harm** www.P65Warnings.ca.gov 

## **TISP61089M SLIC Overvoltage Protector** 

## ~~**Absolute Maximum Ratings, TJ = 25 °C (Unless Otherwise Noted)**~~ 

|**Rating**|**Symbol**|**Value**|**Unit**|
|---|---|---|---|
|Repetitive peak off-state voltage, IG = 0<br>TJ = 25 °C|VDRM|-170|V|
|TJ = 25 °C<br>Repetitive peak gate-cathode voltage, VKA= 0|VGKRM|-167|V|
|Non-repetitive peak on-state pulse current (see Notes 1 and 2)<br>10/1000μs  (Bellcore  GR-1089-CORE, Issue 1, November 1994, Section 4)<br>5/310μs (ITU-T K.20/21/45, YD/T-950, open-circuit voltage wave shape 10/700μs)<br>2/10μs (Bellcore GR-1089-CORE)|ITSP|30<br>70<br>120|A|
|Non-repetitive peak on-state current, 60 Hz (see Notes 1 and 2 and Figure 2 on Page 4)<br>0.1 s<br>1 s<br>5 s<br>300 s<br>900 s|ITSM|11<br>4.5<br>2.4<br>0.95<br>0.93|A|
|Junction temperature|TJ|-40 to +150|°C|
|Storage temperature range|Tstg|-40 to +150|°C|



- NOTES: 1. Initially the protector must be in thermal equilibrium with  TJ = 25 °C. The surge may be repeated after the device returns to its initial conditions. 

   2. The rated current values may be applied either to the Ring to Ground or to the Tip to Ground terminal pairs. Additionally, both terminal pairs may have their rated current values applied simultaneously (in this case the Ground terminal current will be twice the rated current value of an individual terminal pair). 

## ~~**Recommended Operating Conditions**~~ 

|||**Min**|**Typ**|**Max**|**Unit**|
|---|---|---|---|---|---|
|CG|Gate decoupling capacitor||100||nF|



## ~~**Electrical Characteristics, TJ = 25 °C (Unless Otherwise Noted)**~~ 

|**Parameter**|**Test Conditions**|**Min**|**Typ**|**Max**|**Unit**|
|---|---|---|---|---|---|
|ID<br>Off-state current|VD= VDRM, VGK= 0<br>TJ= 25°C<br>TJ= 85°C|||-5<br>-50|μA<br>μA|
|V(BO)<br>Breakover voltage|2<br>(see Note 4)<br>/10μs, ITM= -100 A, di/dt = -80 A/μs, RS= 50 Ω,VGG= -100 V,|||-112|V|
|VF<br>Forward voltage|IF= 5 A, tw= 200μs|||3|V|
|VFRM<br>Peak forward recovery<br>voltage|2/10μs, IF= 100 A, di/dt = 80 A/μs, RS= 50 Ω, (see Note 4)|||10|V|
|IH<br>Holding current|IT= -1 A, di/dt = 1A/ms, VGG= -100 V|-150|||mA|
|IGAS<br>Gate reverse current|VGG= VGK= VGKRM, VKA= 0<br>TJ= 25°C<br>TJ= 85°C|||-5|μA|
|||||-50|μA|
|IGT<br>Gate trigger current|IT= -3 A, tp(g)≥20μs, VGG= -48 V|||5|mA|
|VGT<br>Gate trigger voltage|IT= -3 A, tp(g)≥20μs, VGG= -48 V|||2.5|V|
|CAK<br>Anode-cathode off-state<br>capacitance|f = 1 MHz, Vd= 1 V, IG= 0, (see Note 3)<br>VD= -3 V<br>VD= -48 V|||100|pF|
|||||50|pF|



NOTE: 3. These capacitance measurements employ a three terminal capacitance bridge incorporating a guard circuit. The unmeasured device terminals are a.c. connected to the guard terminal of the bridge. 

NOTE: 4. Voltage measurements should be made with an oscilloscope with limited bandwidth (20 MHz) to avoid high frequency noise. 

## SEPTEMBER 2013 – REVISED JULY 2019 

Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **TISP61089M SLIC Overvoltage Protector** 

||**TISP61089M SLIC Overvoltage Protector**|**TISP61089M SLIC Overvoltage Protector**|**TISP61089M SLIC Overvoltage Protector**|**TISP61089M SLIC Overvoltage Protector**|**TISP61089M SLIC Overvoltage Protector**|**TISP61089M SLIC Overvoltage Protector**|**TISP61089M SLIC Overvoltage Protector**|
|---|---|---|---|---|---|---|---|
||~~**Thermal Characteristics**~~<br>**Parameter**<br>**Test Conditions**<br>**Min**<br>**Typ**<br>**Max**<br>**Unit**<br>RθJA<br>Junction to free air thermal resistance<br>Ptot= 0.8 W, TA= 25 °C<br>5 cm2, FR4 PCB<br>160<br>°C/W|||||||
||**Parameter**||**Test Conditions**|**Min**|**Typ**|**Max**|**Unit**|
||RθJA|Junction to free air thermal resistance|Ptot= 0.8 W, TA= 25 °C<br>5 cm2, FR4 PCB|||160|°C/W|



## ~~**Parameter Measurement Information**~~ 

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SEPTEMBER 2013 – REVISED JULY 2019 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **TISP61089M SLIC Overvoltage Protector** 

## ~~**Thermal Information**~~ 

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PEAK NON-RECURRING A.C.<br>vs<br>CURRENT DURATION<br>T16LACAa<br>RING AND TIP CONNECTIONS -<br>ITSM applied simultaneously to both<br>GROUND CONNECTION -<br>10<br>Return current is twice ITSM<br>VGEN = 600 Vrms<br>RGEN = 70 to 950  Ω<br>VG = -48 V, TAMB = 25 °C<br>1<br>0.1 1 10 100 1000<br>t - Current Duration - s<br> -  Peak Non-Recurrent 60 Hz Current - A<br>ITSM<br>**----- End of picture text -----**<br>


**Figure 2.  Non-Repetitive Peak On-State Current against Duration** 

SEPTEMBER 2013 – REVISED JULY 2019 Specifications are subject to change without notice. Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

## **TISP61089M SLIC Overvoltage Protector** 

## ~~**Applications Information**~~ 

## **Typical Applications Circuit** 

Figure 3 shows a typical TISP61089M SLIC card protection circuit. The incoming line conductors, Ring (R) and Tip (T), connect to the relay matrix via the series overcurrent protection. Positive temperature coefficient (PTC) resistors can be used for overcurrent protection. Resistors will reduce the prospective current from the surge generator for both the TISP61089M and the ring/test protector. 

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OVER-<br>CURRENT TEST RING SLIC SLIC<br>SLIC<br>PROTECTION RELAY RELAY RELAY PROTECTOR<br>TIP<br>WIRE +t°<br>R1a S3a Th4<br>55<br>S1a S2a<br>Th5<br>RING<br>WIRE R1b+t° S3b TISP61089M<br>55<br>S1b S2b C1 VBAT<br>100 nF<br>TEST<br>EQUIP- RING<br>MENT AI6XAJd<br>GENERATOR<br>**----- End of picture text -----**<br>


**Figure 3.  Typical Application Circuit** 

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SEPTEMBER 2013 – REVISED JULY 2019 

“TISP” is a trademark of Bourns, Ltd., a Bourns Company, and is registered in the U.S. Patent and Trademark Office. “Bourns” is a registered trademark of Bourns, Inc. in the U.S. and other countries. 

Specifications are subject to change without notice. 

Users should verify actual device performance in their specific applications. 

The products described herein and this document are subject to specific legal disclaimers as set forth on the last page of this document, and at www.bourns.com/docs/legal/disclaimer.pdf. 

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