TPS62902RPJR na-agbanwe ndị na-achịkwa voltaji 3-V gaa na 17-V, 2-A, arụmọrụ dị elu yana obere ihe ntụgharị IQ buck 1.5-mm 2-mm QFN ngwugwu.
♠ Nkọwa ngwaahịa
| Njirimara ngwaahịa | Uru Njirimara |
| Onye nrụpụta: | Ngwa Texas |
| Otu ngwaahịa: | Ndị na-achịkwa voltaji na-agbanwe |
| RoHS: | Nkọwa |
| Ụdị nrịgo: | SMD/SMT |
| Ngwungwu/Ibe: | VQFN-HR-9 |
| Topology: | Buck |
| Voltaji mmepụta: | 400mV ruo 5.5V |
| Mpụta ugbu a: | 2 A |
| Ọnụọgụ nke mmepụta: | 1 Mpụta |
| Ntinye voltaji, Obere: | 3 V |
| Ntinye voltaji, Oke: | 17 V |
| Quiescent dị ugbu a: | 8 mA |
| Ugboro ngbanwe: | 1 MHz, 2.5 MHz |
| Okpomọkụ arụ ọrụ kacha nta: | - 40 C |
| Okpomọkụ arụ ọrụ kacha: | + 150 C |
| Usoro: | TPS62902 |
| Nkwakọ ngwaahịa: | Reel |
| Nkwakọ ngwaahịa: | Bee teepu |
| Akara: | Ngwa Texas |
| Ntinye voltaji: | 3 V ruo 17 V |
| Mmiri nwere mmetụta: | Ee |
| Ụdị ngwaahịa: | Ndị na-achịkwa voltaji na-agbanwe |
| Mechie: | Mechie |
| Ọnụọgụ ngwugwu ụlọ ọrụ: | 3000 |
| ngalaba: | PMIC - ICs njikwa ike |
| Voltaji Na-eweta - Obere: | 3 V |
| Ụdị: | Ihe Ntụgharị Buck |
♠ TPS62902, 3-V ruo 17-V, arụmọrụ dị elu yana ntụgharị IQ Buck dị ala na ngwugwu 1.5-mm × 2-mm QFN
TPS62902 bụ ihe na-arụ ọrụ nke ọma, obere na mgbanwe mgbanwe mgbada DC-DC nke dị mfe iji. Oge ngbanwe nhọrọ nke 2.5 MHz ma ọ bụ 1.0 MHz na-enye ohere iji obere inductor na-enye nzaghachi ngwa ngwa. Ngwaọrụ na-akwado oke VOUT izi ezi nke ± 1% na DCS-Control topology. Ogologo ntinye voltaji dị obosara nke 3-V ruo 17-V na-akwado ụdị ntinye aha dị iche iche, dị ka ụgbọ okporo ígwè 12-V, otu-cell ma ọ bụ multi-cell Li-Ion, na 5-V ma ọ bụ 3.3-V rails.
TPS62902 nwere ike ịbanye na ọnọdụ nchekwa ọkụ na-akpaghị aka (ọ bụrụ na ahọpụtara PFM/PWM akpaaka) na ibu ọkụ iji nọgide na-arụ ọrụ dị elu. Na mgbakwunye, iji nye arụmọrụ dị elu na obere ibu, ngwaọrụ ahụ nwere obere quiescent ugbu a nke 4 µA. AEE, ọ bụrụ na enyere ya aka, na-enye arụmọrụ dị elu n'ofe VIN, VOUT, na ibu ugbu a. Ngwaọrụ ahụ gụnyere ntinye S-CONF/MODE iji tọọ nkesa ime/mpụta, ugboro mgbanwe, mpụta voltaji, na ọnọdụ nchekwa ike akpaka ma ọ bụ ọrụ PWM amanye.
Ngwaọrụ dị na obere ngwugwu VQFN 9-pin na-atụ 1.50 mm × 2.00 mm nwere oghere 0.5-mm.
• Ịrụ ọrụ dị elu maka okirikiri ọrụ obosara na oke ibu
- IQ: 4 μA
- Ugboro ngbanwe nke 2.5 MHz na 1.0 MHz
- RDS (ON): akụkụ 62-mΩ dị elu, akụkụ 22-mΩ dị ala
- nkwalite arụmọrụ akpaaka (AEE)
• Obere ngwugwu VQFN 1.5-mm × 2.0-mm nwere pitch 0.5-mm
• Ruo 2-A na-aga n'ihu mmepụta ugbu a
• ± 0.9% nzaghachi voltaji ziri ezi n'ofe okpomọkụ (-40°C ruo 150°C)
• Nhọrọ voltaji mpụta nwere ike ịhazi:
- Nkesa mpụga VFB: 0.6 V ruo 5.5 V
- Nkesa ime ime VSET: nhọrọ 16 n'etiti 0.4 V na 5.5 V
• DCS-Control™ topology nwere ọnọdụ 100%.
• Na-agbanwe nke ukwuu ma dị mfe iji
- Pinout kacha mma maka ịkwọgharị otu oyi akwa
– Tinye aka nke ọma
- PWM amanye ma ọ bụ ọnọdụ nchekwa ike akpaaka
– Ike dị mma mmepụta
- Mwepụta mmepụta na-arụ ọrụ enwere ike họrọ
- mmalite na nsochi dị nro nwere ike idozi
• Enweghị capacitor bootstrap mpụga achọrọ
• Mepụta nhazi omenala site na iji TPS62902 site na iji WEBENCH® Onye Mmebe Ike
• akpaaka ụlọ ọrụ na njikwa
• akpaaka ụlọ
• Ebe data na mgbakọ ụlọ ọrụ
• Sistemụ akwọ ụgbọ ala
• nnyefe ike
• PC na akwụkwọ ndetu
