● Oke ntinye voltaji n'obosara: 4.5 V ruo 42V
●Njikwa ọnọdụ voltaji akwụ ụgwọ nke ime
●Stable na obere ESR ceramic capacitors
●200 mΩ N-Channel MOSFET
●Nhọrọ Voltage mmepụta:
-ADJ (Mpụtara dị ala dị ka 1.285 V)
-5.0 (Mpụta Edobere na 5V)
●±1.5% Ntụaka nzaghachi ziri ezi
●Ugboro ngbanwe 500 kHz
●Ugboro ngbanwe na mmekọrịta
●-40°C ruo 125°C Nkwekọrịta okpomọkụ oke
●Kwado ntinye nkenke
●Diode Boot-Strap agbakwunyere
●Mmalite dị nro nwere ike idozi
●Agbanyere WEBENCH® zuru oke
●LM22672-Q1 bụ ngwaahịa ọkwa ụgbọ ala
Nke ahụ bụ AEC-Q100 Ọkwa 1 ruru eru (-40°C ruo +125°C
Okpomọkụ njikọ)
●SO PowerPAD (pad ekpughere)
Onye na-ahụ maka ịgbanwe agbanwe LM22672 na-enye ọrụ niile dị mkpa iji mejuputa njikwa mgbada mgbada voltaji dị elu nke ọma site na iji obere ihe mpụga.Nke a dị mfe iji regulator na-ejikọta 42 V N-channel MOSFET mgba ọkụ nwere ike inye ihe ruru 1 A nke ibu ugbu a.A na-egosipụta ahịrị dị mma na njikwa ibu yana oke arụmọrụ (> 90%).Njikwa ọnọdụ voltaji na-enye opekempe na oge, na-enye ohere nha kacha dị n'etiti voltaji ntinye na mmepụta.Nkwụghachi ụgwọ nke ime aka pụtara na onye ọrụ nweere onwe ya pụọ na ọrụ na-agwụ ike nke ịgbakọ ngwa nkwụghachi akaghị.Nrụpụta 5 V etinyere na nhọrọ voltaji nrụpụta enwere ike.
A na-edozi ugboro ngbanwe ndabara na 500 kHz na-enye ohere maka obere ihe mpụga na nzaghachi dị mma na-agafe agafe.Na mgbakwunye, enwere ike ịhazigharị ugboro ugboro n'ogologo 200 kHz ruo 1 MHz na otu resistor mpụga.Enwere ike ịmekọrịta oscillator ime na elekere sistemụ ma ọ bụ na oscillator nke onye na-achịkwa ọzọ.Ntinye nkenke na-enyere aka ntinye aka na-enye ohere mfe njikwa njikwa na usoro ike usoro.Na ọnọdụ mmechi, onye na-achịkwa na-adọta naanị 25 µA (ụdị).A na-enye njirimara mmalite dị nro na-agbanwe agbanwe site na nhọrọ nke otu capacitor mpụga.LM22672 arụkwaala na nkwụsị ọkụ, yana mmachi ugbu a iji kpuchido ibu ibu na mberede.
LM22672 bụ onye otu ezinụlọ Texas Instruments SIMPLE SWITCHER®.Echiche SIMPLE SWITCHER® na-enye mfe iji nhazi zuru oke site na iji ọnụ ọgụgụ kacha nta nke ihe mpụga yana TI WEBENCH® ngwá ọrụ imewe.Ngwá ọrụ TI WEBENCH® gụnyere atụmatụ dị ka mgbako akụrụngwa mpụga, ịme anwansị eletriki, simulation thermal, na bọọdụ Build-It maka imewe dị mfe.
1. Ole ndị bụ ndị ọrụ na ngalaba R & D gị?Kedu ihe ntozu gị?
-R & D Director: chepụta atụmatụ R & D ogologo oge nke ụlọ ọrụ ma ghọta ntụzịaka nke nyocha na mmepe;Nduzi ma na-elekọta ngalaba r&d iji mejuputa atumatu ụlọ ọrụ r&d na atụmatụ R&D kwa afọ;Jikwaa ọganihu nke mmepụta ngwaahịa ma mezie atụmatụ;Mepụta ezigbo nchọpụta ngwaahịa na otu mmepe, nyocha na ọzụzụ ndị ọrụ nka metụtara.
Onye njikwa R & D: mee atụmatụ R & D ngwaahịa ọhụrụ ma gosipụta ike nke atụmatụ ahụ;Na-elekọta ma jikwaa ọganihu na ịdịmma nke ọrụ r&d;Nyochaa mmepe ngwaahịa ọhụrụ ma tụọ aro ngwọta dị mma dịka ihe ndị ahịa chọrọ n'akụkụ dị iche iche
Ndị ọrụ R&d: na-anakọta na hazie data isi;Mmemme kọmputa;Ime nnwale, ule na nyocha;Kwadebe ihe na akụrụngwa maka nnwale, ule na nyocha;Dekọọ data nha, mee mgbako ma kwadebe eserese;Mee nyocha ndekọ ọnụ ọgụgụ
2. Kedu ihe nyocha ngwaahịa na echiche mmepe gị?
- echiche ngwaahịa na nhọrọ ngwaahịa na nlebanya nkọwa ngwaahịa na atụmatụ atụmatụ atụmatụ na nyocha ngwaahịa mmepe yana mmalite mmalite na ahịa.